Closes #18456: Doc fix: PyDict_Update only works with dict-like objects, not key-value sequences. Patch by priyapappachan.
Closes #18456: Doc fix: PyDict_Update only works with dict-like objects, not key-value sequences. Patch by priyapappachan.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator