SyntaxWarning: invalid escape sequence

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#168 opened on Dec 19, 2023 2 comments 1 reaction 0 assignees View on GitHub

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Assessment

Difficulty: 2/5
Estimated time: 1-3 hours
Newbie friendliness: 35/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Stale
Tech stack: python
Domain: api

Research direction

Reproduce the warnings with Python 3.12, then inspect the reported locations in fastcore/script.py (lines 32–33) and fastcore/docments.py (line 62). Confirm that the warnings no longer appear while the existing regular-expression behavior remains unchanged.

Written by the indexing model from the issue text.

Description

Getting these warnings with python 3.12

/Users/nils/Library/Caches/pypoetry/virtualenvs/vrex-cli-9LieaW4p-py3.12/lib/python3.12/site-packages/fastcore/script.py:32: SyntaxWarning: invalid escape sequence '\.'
  x = re.sub("(enum |class|function|__main__\.|\ at.*)", '', x)
/Users/nils/Library/Caches/pypoetry/virtualenvs/vrex-cli-9LieaW4p-py3.12/lib/python3.12/site-packages/fastcore/script.py:33: SyntaxWarning: invalid escape sequence '\ '
  x = re.sub("(<|>|'|\ )", '', x) # spl characters
/Users/nils/Library/Caches/pypoetry/virtualenvs/vrex-cli-9LieaW4p-py3.12/lib/python3.12/site-packages/fastcore/docments.py:62: SyntaxWarning: invalid escape sequence '\s'
  _clean_re = re.compile('^\s*#(.*)\s*$')

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