in tsqa/environment.py [0:0]
def start(self):
if self.running(): # if its already running, don't start another one
raise Exception('traffic cop already started')
log.debug("Starting traffic cop")
assert(os.path.isfile(os.path.join(self.layout.sysconfdir, 'records.config')))
self.__exec_cop()
log.debug("Started traffic cop: %s", self.cop)