py fix session
py fix session

Change-Id: I54a0be8cf6c1341c23eac8774da5a0a85720a3d3

bsautron/libqi,aldebaran/libqi,aldebaran/libqi,aldebaran/libqi-java,aldebaran/libqi-java,vbarbaresi/libqi,aldebaran/libqi-java,aldebaran/libqi