[conformance suite] Update an assertion in historical_positional.py to allow an optional error - #2167

[conformance suite] Update an assertion in historical_positional.py to allow an optional error#2167

AlexWaygood merged 2 commits into

mainpython/typing:mainfrom

alex/historical-positional-assertionpython/typing:alex/historical-positional-assertionCopy head branch name to clipboard