Ignore .tox dir when running Python file syntax checks.
Ignore .tox dir when running Python file syntax checks.

nzlosh/st2,nzlosh/st2,Plexxi/st2,nzlosh/st2,StackStorm/st2,nzlosh/st2,Plexxi/st2,Plexxi/st2,StackStorm/st2,StackStorm/st2,Plexxi/st2,StackStorm/st2