Better error message when creating a module instance in jit.script (#16416)
Summary:
Made the change requested in #15555
PR was failing build due to a time out error while getting packages using pip.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/16416
Differential Revision: D13833873
Pulled By: soumith
fbshipit-source-id: e2200e9e8015558fcd359dfa3d025b25802d62b5
