STY: PEP8 clean up.
STY: PEP8 clean up.

tommy-u/chaco,burnpanck/chaco,burnpanck/chaco,tommy-u/chaco,tommy-u/chaco,ContinuumIO/chaco,burnpanck/chaco,ContinuumIO/chaco,ContinuumIO/chaco,ContinuumIO/chaco