Fixed job_handler-decorator

server.py

@@ -468,7 +468,7 @@ def job_handler(*types, state='finished'):
 		for jobtype in types:
 			if jobtype not in job_handlers:
 				job_handlers[jobtype] = {}
-			if jobtype not in job_handlers[jobtype]:
+			if state not in job_handlers[jobtype]:
 				job_handlers[jobtype][state] = []
 			job_handlers[jobtype][state].append(func)
 			return func