tree 63b1eafc635f5e54095872e0ca907237786a0a43
parent 6d2e396f5561091c2ee34a903efab955dec0eeb9
author sumithdev09 <sumith.hy398@gmail.com> 1373641853 -0400
committer sumithdev09 <sumith.hy398@gmail.com> 1373641853 -0400

Update controller.py

Bugfix:We cannot poll the OFPT_HELLO message using the poll function if exp_msg=None.