Fix a curious bug: statements like "import sys.time" would succeed, because the path through the code would notice that sys.__path__ did not exist and it would fall back to the default path (builtins + sys.path) instead of failing).  No longer.
Fix a curious bug: statements like "import sys.time" would succeed,
because the path through the code would notice that sys.__path__ did
not exist and it would fall back to the default path (builtins +
sys.path) instead of failing).  No longer.

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