Update pyglet from 1.3.1 to 1.3.2

requirements.txt

 pluggy==0.6.0
 psutil==5.4.4
 py==1.5.3
-pyglet==1.3.1
+pyglet==1.3.2
 pytest==3.5.0
 python-dateutil==2.7.2
 PyYAML==3.12