[3.11] gh-105184: document that marshal functions can fail and need to be checked with PyErr_Occurred (GH-105185)#105219

iritkatriel merged 1 commit intopython:3.11python/cpython:3.11from

miss-islington:backport-ee26ca1-3.11miss-islington/cpython:backport-ee26ca1-3.11Copy head branch name to clipboard