Recently, I began to learn Matplotlib. After installing and running the code in pychar, I will be prompted

RuntimeError: implement_array_function method already has a docstring

Online search for information, the implementation of the

pip install numpy
pip install scipy
pip install pandas
pip install matplotlib
pip install scikit-learn


Resolve the version of matplotlib from 3.2.1 to 3.0.3
pip uninstall matplotlib
pip install matplotlib==3.0.3
Solved without a hitch!