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Error installing jupyterlab/jupyter notebook on MacOS big sur

I’m trying to install jupyter on my mac, but I’m facing errors while installing.

The commands used to install:

pip install jupyterlab
pip install notebook

Both give similar errors.

I acknowledge I’m on a beta OS thus I wouldn’t complain if it’s not supported, just asking to make sure that it’s not some stupid user-errors.

Errors shown:

Defaulting to user installation because normal site-packages is not writeable
Collecting notebook
  Using cached notebook-6.1.4-py3-none-any.whl (9.5 MB)
Collecting traitlets>=4.2.1
  Using cached traitlets-5.0.4-py3-none-any.whl (98 kB)
Collecting prometheus-client
  Using cached prometheus_client-0.8.0-py2.py3-none-any.whl (53 kB)
Collecting argon2-cffi
  Using cached argon2-cffi-20.1.0.tar.gz (1.8 MB)
  Installing build dependencies ... error
  ERROR: Command errored out with exit status 1:
   command: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Users/yagami/Library/Python/3.8/lib/python/site-packages/pip install --ignore-installed --no-user --prefix /private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-build-env-62k24twj/overlay --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- 'setuptools>=40.6.0' wheel 'cffi>=1.0'
       cwd: None
  Complete output (288 lines):
  Collecting setuptools>=40.6.0
    Using cached setuptools-50.3.0-py3-none-any.whl (785 kB)
  Collecting wheel
    Using cached wheel-0.35.1-py2.py3-none-any.whl (33 kB)
  Collecting cffi>=1.0
    Using cached cffi-1.14.3.tar.gz (470 kB)
  Collecting pycparser
    Using cached pycparser-2.20-py2.py3-none-any.whl (112 kB)
  Building wheels for collected packages: cffi
    Building wheel for cffi (setup.py): started
    Building wheel for cffi (setup.py): finished with status 'error'
    ERROR: Command errored out with exit status 1:
     command: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-install-xgpxryh0/cffi/setup.py'"'"'; __file__='"'"'/private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-install-xgpxryh0/cffi/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-wheel-0obo4jsw
         cwd: /private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-install-xgpxryh0/cffi/
    Complete output (130 lines):
    running bdist_wheel
    running build
    running build_py
    creating build
    creating build/lib.macosx-10.14.6-x86_64-3.8
    creating build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/backend_ctypes.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/error.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/setuptools_ext.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/__init__.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/cffi_opcode.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/vengine_gen.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/pkgconfig.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/model.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/ffiplatform.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/api.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/vengine_cpy.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/commontypes.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/lock.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/recompiler.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/cparser.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/verifier.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/_cffi_include.h -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/parse_c_type.h -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/_embedding.h -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    copying cffi/_cffi_errors.h -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
    running build_ext
    building '_cffi_backend' extension
    creating build/temp.macosx-10.14.6-x86_64-3.8
    creating build/temp.macosx-10.14.6-x86_64-3.8/c
    xcrun -sdk macosx clang -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -iwithsysroot/System/Library/Frameworks/System.framework/PrivateHeaders -iwithsysroot/Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/Headers -arch arm64 -arch x86_64 -DUSE__THREAD -DHAVE_SYNC_SYNCHRONIZE -I/usr/include/ffi -I/usr/include/libffi -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/ffi -I/Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8 -c c/_cffi_backend.c -o build/temp.macosx-10.14.6-x86_64-3.8/c/_cffi_backend.o
    In file included from c/_cffi_backend.c:2:
    In file included from /Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8/Python.h:11:
    In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/12.0.0/include/limits.h:21:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/limits.h:63:
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/cdefs.h:807:2: error: Unsupported architecture
    #error Unsupported architecture
     ^
    In file included from c/_cffi_backend.c:2:
    In file included from /Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8/Python.h:11:
    In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/12.0.0/include/limits.h:21:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/limits.h:64:
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/machine/limits.h:8:2: error: architecture not supported
    #error architecture not supported
     ^
    In file included from c/_cffi_backend.c:2:
    In file included from /Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8/Python.h:25:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/stdio.h:64:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_stdio.h:71:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_types.h:27:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:33:
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/machine/_types.h:34:2: error: architecture not supported
    #error architecture not supported
     ^
    In file included from c/_cffi_backend.c:2:
    In file included from /Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8/Python.h:25:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/stdio.h:64:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_stdio.h:71:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_types.h:27:
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:55:9: error: unknown type name '__int64_t'
    typedef __int64_t       __darwin_blkcnt_t;      /* total blocks */
            ^
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:56:9: error: unknown type name '__int32_t'; did you mean '__int128_t'?
    typedef __int32_t       __darwin_blksize_t;     /* preferred block size */
            ^
    note: '__int128_t' declared here
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:57:9: error: unknown type name '__int32_t'; did you mean '__int128_t'?
    typedef __int32_t       __darwin_dev_t;         /* dev_t */
            ^
    note: '__int128_t' declared here
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:60:9: error: unknown type name '__uint32_t'; did you mean '__uint128_t'?
    typedef __uint32_t      __darwin_gid_t;         /* [???] process and group IDs */
            ^
    note: '__uint128_t' declared here
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:61:9: error: unknown type name '__uint32_t'; did you mean '__uint128_t'?
    typedef __uint32_t      __darwin_id_t;          /* [XSI] pid_t, uid_t, or gid_t*/
            ^
    note: '__uint128_t' declared here
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:62:9: error: unknown type name '__uint64_t'
    typedef __uint64_t      __darwin_ino64_t;       /* [???] Used for 64 bit inodes */
            ^
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:68:9: error: unknown type name '__darwin_natural_t'
    typedef __darwin_natural_t __darwin_mach_port_name_t; /* Used by mach */
            ^
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:70:9: error: unknown type name '__uint16_t'; did you mean '__uint128_t'?
    typedef __uint16_t      __darwin_mode_t;        /* [???] Some file attributes */
            ^
    note: '__uint128_t' declared here
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:71:9: error: unknown type name '__int64_t'
    typedef __int64_t       __darwin_off_t;         /* [???] Used for file sizes */
            ^
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:72:9: error: unknown type name '__int32_t'; did you mean '__int128_t'?
    typedef __int32_t       __darwin_pid_t;         /* [???] process and group IDs */
            ^
    note: '__int128_t' declared here
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:73:9: error: unknown type name '__uint32_t'; did you mean '__uint128_t'?
    typedef __uint32_t      __darwin_sigset_t;      /* [???] signal set */
            ^
    note: '__uint128_t' declared here
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:74:9: error: unknown type name '__int32_t'; did you mean '__int128_t'?
    typedef __int32_t       __darwin_suseconds_t;   /* [???] microseconds */
            ^
    note: '__int128_t' declared here
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:75:9: error: unknown type name '__uint32_t'; did you mean '__uint128_t'?
    typedef __uint32_t      __darwin_uid_t;         /* [???] user IDs */
            ^
    note: '__uint128_t' declared here
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:76:9: error: unknown type name '__uint32_t'; did you mean '__uint128_t'?
    typedef __uint32_t      __darwin_useconds_t;    /* [???] microseconds */
            ^
    note: '__uint128_t' declared here
    In file included from c/_cffi_backend.c:2:
    In file included from /Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8/Python.h:25:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/stdio.h:64:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_stdio.h:71:
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_types.h:43:9: error: unknown type name '__uint32_t'; did you mean '__uint128_t'?
    typedef __uint32_t      __darwin_wctype_t;
            ^
    note: '__uint128_t' declared here
    In file included from c/_cffi_backend.c:2:
    In file included from /Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8/Python.h:25:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/stdio.h:64:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_stdio.h:75:
    In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types/_va_list.h:31:
    /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/machine/types.h:37:2: error: architecture not supported
    #error architecture not supported
     ^
    fatal error: too many errors emitted, stopping now [-ferror-limit=]
    20 errors generated.
    error: command 'xcrun' failed with exit status 1
    ----------------------------------------
    ERROR: Failed building wheel for cffi
    Running setup.py clean for cffi
  Failed to build cffi
  Installing collected packages: setuptools, wheel, pycparser, cffi
      Running setup.py install for cffi: started
      Running setup.py install for cffi: finished with status 'error'
      ERROR: Command errored out with exit status 1:
       command: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-install-xgpxryh0/cffi/setup.py'"'"'; __file__='"'"'/private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-install-xgpxryh0/cffi/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-record-09jh8alg/install-record.txt --single-version-externally-managed --prefix /private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-build-env-62k24twj/overlay --compile --install-headers /private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-build-env-62k24twj/overlay/include/python3.8/cffi
           cwd: /private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-install-xgpxryh0/cffi/
      Complete output (130 lines):
      running install
      running build
      running build_py
      creating build
      creating build/lib.macosx-10.14.6-x86_64-3.8
      creating build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/backend_ctypes.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/error.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/setuptools_ext.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/__init__.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/cffi_opcode.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/vengine_gen.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/pkgconfig.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/model.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/ffiplatform.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/api.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/vengine_cpy.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/commontypes.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/lock.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/recompiler.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/cparser.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/verifier.py -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/_cffi_include.h -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/parse_c_type.h -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/_embedding.h -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      copying cffi/_cffi_errors.h -> build/lib.macosx-10.14.6-x86_64-3.8/cffi
      running build_ext
      building '_cffi_backend' extension
      creating build/temp.macosx-10.14.6-x86_64-3.8
      creating build/temp.macosx-10.14.6-x86_64-3.8/c
      xcrun -sdk macosx clang -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -iwithsysroot/System/Library/Frameworks/System.framework/PrivateHeaders -iwithsysroot/Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/Headers -arch arm64 -arch x86_64 -DUSE__THREAD -DHAVE_SYNC_SYNCHRONIZE -I/usr/include/ffi -I/usr/include/libffi -I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/ffi -I/Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8 -c c/_cffi_backend.c -o build/temp.macosx-10.14.6-x86_64-3.8/c/_cffi_backend.o
      In file included from c/_cffi_backend.c:2:
      In file included from /Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8/Python.h:11:
      In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/12.0.0/include/limits.h:21:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/limits.h:63:
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/cdefs.h:807:2: error: Unsupported architecture
      #error Unsupported architecture
       ^
      In file included from c/_cffi_backend.c:2:
      In file included from /Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8/Python.h:11:
      In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/12.0.0/include/limits.h:21:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/limits.h:64:
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/machine/limits.h:8:2: error: architecture not supported
      #error architecture not supported
       ^
      In file included from c/_cffi_backend.c:2:
      In file included from /Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8/Python.h:25:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/stdio.h:64:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_stdio.h:71:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_types.h:27:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:33:
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/machine/_types.h:34:2: error: architecture not supported
      #error architecture not supported
       ^
      In file included from c/_cffi_backend.c:2:
      In file included from /Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8/Python.h:25:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/stdio.h:64:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_stdio.h:71:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_types.h:27:
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:55:9: error: unknown type name '__int64_t'
      typedef __int64_t       __darwin_blkcnt_t;      /* total blocks */
              ^
      Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:68:9: error: unknown type name '__darwin_natural_t'
      typedef __darwin_natural_t __darwin_mach_port_name_t; /* Used by mach */
              ^
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:70:9: error: unknown type name '__uint16_t'; did you mean '__uint128_t'?
      typedef __uint16_t      __darwin_mode_t;        /* [???] Some file attributes */
              ^
      note: '__uint128_t' declared here
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:71:9: error: unknown type name '__int64_t'
      typedef __int64_t       __darwin_off_t;         /* [???] Used for file sizes */
              ^
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:72:9: error: unknown type name '__int32_t'; did you mean '__int128_t'?
      typedef __int32_t       __darwin_pid_t;         /* [???] process and group IDs */
              ^
      note: '__int128_t' declared here
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:73:9: error: unknown type name '__uint32_t'; did you mean '__uint128_t'?
      typedef __uint32_t      __darwin_sigset_t;      /* [???] signal set */
              ^
      note: '__uint128_t' declared here
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:74:9: error: unknown type name '__int32_t'; did you mean '__int128_t'?
      typedef __int32_t       __darwin_suseconds_t;   /* [???] microseconds */
              ^
      note: '__int128_t' declared here
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:75:9: error: unknown type name '__uint32_t'; did you mean '__uint128_t'?
      typedef __uint32_t      __darwin_uid_t;         /* [???] user IDs */
              ^
      note: '__uint128_t' declared here
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:76:9: error: unknown type name '__uint32_t'; did you mean '__uint128_t'?
      typedef __uint32_t      __darwin_useconds_t;    /* [???] microseconds */
              ^
      note: '__uint128_t' declared here
      In file included from c/_cffi_backend.c:2:
      In file included from /Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8/Python.h:25:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/stdio.h:64:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_stdio.h:71:
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_types.h:43:9: error: unknown type name '__uint32_t'; did you mean '__uint128_t'?
      typedef __uint32_t      __darwin_wctype_t;
              ^
      note: '__uint128_t' declared here
      In file included from c/_cffi_backend.c:2:
      In file included from /Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8/Python.h:25:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/stdio.h:64:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/_stdio.h:75:
      In file included from /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/sys/_types/_va_list.h:31:
      /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/usr/include/machine/types.h:37:2: error: architecture not supported
      #error architecture not supported
       ^
      fatal error: too many errors emitted, stopping now [-ferror-limit=]
      20 errors generated.
      error: command 'xcrun' failed with exit status 1
      ----------------------------------------
  ERROR: Command errored out with exit status 1: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-install-xgpxryh0/cffi/setup.py'"'"'; __file__='"'"'/private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-install-xgpxryh0/cffi/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-record-09jh8alg/install-record.txt --single-version-externally-managed --prefix /private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-build-env-62k24twj/overlay --compile --install-headers /private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-build-env-62k24twj/overlay/include/python3.8/cffi Check the logs for full command output.
  ----------------------------------------
ERROR: Command errored out with exit status 1: /Applications/Xcode.app/Contents/Developer/usr/bin/python3 /Users/yagami/Library/Python/3.8/lib/python/site-packages/pip install --ignore-installed --no-user --prefix /private/var/folders/g0/d04hk18n311bj7rw6j_r__9h0000gn/T/pip-build-env-62k24twj/overlay --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- 'setuptools>=40.6.0' wheel 'cffi>=1.0' Check the logs for full command output.

What I’ve tried

I’ve tried updating pip and setuptools but it didn’t make a difference. I’ve also removed the whole /Library/Python, still no luck.

Extra info

python3 -V:

Python 3.8.2

pip -V:

pip 20.2.3 from /Users/yagami/Library/Python/3.8/lib/python/site-packages/pip (python 3.8)

which python3:

/usr/bin/python3

which pip:

/usr/local/bin/pip

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Answer

Not sure what’s going on with the built in version of python in OS X (I’ve heard something about compatibility switching causing unpredictable behaviour as it switches between 2 modes automatically).

Anyway, it seems installing the homebrew version of python largely skips around the issues so I suggest you go that route.

Install brew if not installed

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)" 

Install brew version of python

brew install python 

Add an alias to your shell (the below command is for zshell) to make python point to your new python install

echo "alias python=/usr/local/bin/python3" >> ~/.zshrc

Setup a virtual environment to sequester off where you install packages to

python -m venv ~/.env

Activate the virtual environment

source ~/.env/bin/activate

Install packages to your environment

pip install notebook jupyter
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