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Tag: python-3.x

Attribute Error: List object has no attribute CheckClick

In the Swap function, I am checking under some index a button class instance, which I checked using print statements, but for some reason it still gives me an error saying that it has no such attribute check click. Any tips on formatting are also welcome, I am just a beginner. I am using three different array…

No module named pip which using virtualenv-based python

When running the system-installed python, I can find pip: However, if I create a virtualenv with this python3 and activate it, then I can no longer find pip: I am completely baffled by this. What is it about reading through a symlink that could make pip disappear? Answer The python’s venv module introdu…

ImportError in test files

I’ve seen a lot of questions that are similar to this but none of the solutions have worked for me. I’m getting an import error when trying to run pytest on a test package I’m developing to teach myself how to create python packages. Currently I have a python package that looks like and my t…

This logger has no handler, yet it prints. Why?

I have a sample logger that I think has no handler, yet it outputs log messages. Here is the code: And the result says the logger has no handlers, there is an empty list of handlers, yet it prints the output: Why does this work? Do I need to add a NullHandler() to stop output? Answer It’s because for Py…