PEP8'd models.py. Added parameters to set_source_peakabsmag()
PEP8'd models.py. Added parameters to set_source_peakabsmag()

kbarbary/sncosmo,dannygoldstein/sncosmo,dannygoldstein/sncosmo,dannygoldstein/sncosmo,kbarbary/sncosmo,kbarbary/sncosmo,sncosmo/sncosmo,sncosmo/sncosmo,sncosmo/sncosmo