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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Deprecation warnings due to invalid escape sequences in python 3.8","articleBody":"Deprecation warnings are raised due to invalid escape sequences. This can be fixed by using raw strings or escaping the literals. pyupgrade also helps in automatic conversion : https://github.com/asottile/pyupgrade/\r\n\r\nI will raise a PR for this\r\n\r\n```\r\nfind . -iname '*.py' | xargs -P4 -I{} python3 -Wall -m py_compile {} \r\n./bpython/line.py:193: DeprecationWarning: invalid escape sequence \\s\r\n  current_method_definition_name_re = LazyReCompile(\"def\\s+([a-zA-Z_][\\w]*)\")\r\n./bpython/cli.py:943: DeprecationWarning: invalid escape sequence \\T\r\n  elif key in (\"KEY_NPAGE\", \"\\T\"):  # page_down or \\T\r\n./bpython/cli.py:947: DeprecationWarning: invalid escape sequence \\S\r\n  elif key in (\"KEY_PPAGE\", \"\\S\"):  # page_up or \\S\r\n```","author":{"url":"https://github.com/tirkarthi","@type":"Person","name":"tirkarthi"},"datePublished":"2020-10-11T08:41:00.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/853/bpython/issues/853"}