LOAD_FAST:  rearrange branches to favor the expected case, and get rid of a redundant NULL-pointer check in the expected case.
LOAD_FAST:  rearrange branches to favor the expected case, and get
rid of a redundant NULL-pointer check in the expected case.

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