Python3.6+Anaconda环境下Matplotlib导入报错：AttributeError: module 'numbers' has no attribute 'Integral'

Hey there! Let's break down how to fix this frustrating error you're hitting when importing matplotlib. This issue usually boils down to version compatibility or a simple naming conflict—here are the most common fixes:

1. Install a Matplotlib version compatible with Python 3.6 #

Python 3.6 is no longer supported by newer versions of matplotlib (versions >=3.4 dropped support for 3.6). You'll need to install a version that works with your Python release:

• Open your Anaconda prompt and run:

  conda install matplotlib=3.3.4
  

  If you prefer using pip (though Anaconda environments work best with conda), use:

  pip install matplotlib==3.3.4
  

2. Check for a local file naming conflict #

Sometimes, if you have a file named numbers.py in your working directory, it will override Python's built-in numbers module—this is a super common gotcha! To verify:

• Run these lines in your Python shell:

  import numbers
  print(numbers.__file__)
  

If the output points to a file in your project folder (not the standard library directory like .../anaconda3/lib/python3.6/numbers.py), rename your local numbers.py to something else (like my_numbers.py) and delete any corresponding numbers.pyc file.

3. Create a fresh Anaconda environment (if the above don't work) #

Corrupted environments can cause weird dependency issues. Let's make a clean environment tailored to your setup:

• Run these commands in sequence:

  conda create -n py36_matplotlib python=3.6 matplotlib=3.3.4
  conda activate py36_matplotlib
  

Now try importing matplotlib again in this new environment—this should eliminate any lingering environment-specific bugs.

Give these steps a try, and let me know if you still run into issues!

内容的提问来源于stack exchange，提问作者O. Edward