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PromptBeginner5 minmarkdown
2. Apply Deepthink Protocol (reason about dependencies
risks
16
Python Code Quality Rules
generic skill
promptBeginner5 min to valuemarkdown
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Feb 12, 2026
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When modifying Python files, always run ruff checks and formatting:
uvx ruff check <path/to/file.py>
uvx ruff format <path/to/file.py>
uvx ruff check <path/to/file.py>
If ruff reports line length violations (E501), fix them by:
Breaking long strings into multiple lines:
# Bad raise HTTPException(detail="This is a very long error message that exceeds the limit") # Good raise HTTPException( detail=( "This is a very long error message " "that is now split across lines" ) )
Breaking long f-strings:
# Bad logger.info(f"Processing {count} items for user {user_id} with status {status}") # Good logger.info( f"Processing {count} items for user {user_id} " f"with status {status}" )
Breaking long function calls:
# Bad result = some_function(arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8) # Good result = some_function( arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8 )
All checks passed!