RecursionError: maximum recursion depth exceeded #3939
Comments
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@sam-s thanks for the report. Do you mind trying to reduce your snippet in order to ease the debugging process please? |
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I recently also stumbled on this RecursionError. In my case, changing pd.merge(df1, df2, ...) to df1.merge(df2, ...) helped pylint to work again. A reduced example from my code is as follows: import pandas as pd
def func(df1, df2):
# return pd.merge(df1, df2) # RecursionError with pylint!
return df1.merge(df2) # Works (pylint 2.6.0/astroid 2.4.2/Python 3.8.6).
df = pd.DataFrame([[0]])
func(df, df) |
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@sam-s @esba1ley @arg-123 thanks for your comments and investigations. |
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It seems that issue is re-occurring with the new version 1.1.5 of pandas. I use the same script as @arg-123 : import pandas as pd
def func(df1, df2):
# return pd.merge(df1, df2) # RecursionError with pylint!
return df1.merge(df2) # Works (pylint 2.6.0/astroid 2.4.2/Python 3.8.6).
df = pd.DataFrame([[0]])
func(df, df)Here is the bash script I use to reproduce the bug: python3.8 -m venv env
source env/bin/activate
pip install pandas pylint # pandas==1.1.5 pylint==2.6
pip install wheel
pip install git+https://github.com/PyCQA/astroid.git
pylint test.pywhere test.py is the Python script above. With pandas 1.1.4, the bug is not present. |
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@freud14 thanks for your report. I confirm the bug is present again with |
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@hippo91 Done. |
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Steps to reproduce
save to
pylint-3939.pyrun
Current behavior
Expected behavior
no diagnostics
pylint --version output
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