bpo-46547: remove leaking vars into pydoc.Helper namespace (#30957)

sobolevn · web-flow · commit cb6c6648bea5 · 2022-05-02T16:25:52.000-06:00
Fixes #90705
diff --git a/Lib/pydoc.py b/Lib/pydoc.py
@@ -1891,6 +1891,7 @@ class Helper:
             if topic not in topics:
                 topics = topics + ' ' + topic
             symbols[symbol] = topics
+    del topic, symbols_, symbol, topics
 
     topics = {
         'TYPES': ('types', 'STRINGS UNICODE NUMBERS SEQUENCES MAPPINGS '
diff --git a/Misc/NEWS.d/next/Library/2022-01-27-14-41-55.bpo-46547.JMyYz9.rst b/Misc/NEWS.d/next/Library/2022-01-27-14-41-55.bpo-46547.JMyYz9.rst
@@ -0,0 +1 @@
+Remove variables leaking into ``pydoc.Helper`` class namespace.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Remove variables leaking into ``pydoc.Helper`` class namespace.