[issue46547] `pydoc.Helper` leaks several `for` loop variables

Change by Nikita Sobolev : -- keywords: +patch pull_requests: +29136 stage: -> patch review pull_request: https://github.com/python/cpython/pull/30957 ___ Python tracker ___

[issue46547] `pydoc.Helper` leaks several `for` loop variables

New submission from Nikita Sobolev : Here's the problem. `pydoc.Helper` is defined as: ``` class Helper: for topic, symbols_ in _symbols_inverse.items(): for symbol in symbols_: topics = symbols.get(symbol, topic) if topic not in topics: