Curdir needs to be in the path for the test to work on all buildbots. (I copied this from another import test, but currently this will fail if TESTFN ends up in /tmp...see issue 2609).
Curdir needs to be in the path for the test to work on all buildbots.
(I copied this from another import test, but currently this will fail if
TESTFN ends up in /tmp...see issue 2609).

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