Under certain conditions (sometimes triggered by the test suite), "from xml.parsers import expat" succeeds but the imported expat module is an empty shell.  Make sure we don't be fooled by that.
Under certain conditions (sometimes triggered by the test suite),
"from xml.parsers import expat" succeeds but the imported expat module
is an empty shell.  Make sure we don't be fooled by that.

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