Remove scheduling output.

Author: MrYawe

zenaton/engine.py

@@ -39,7 +39,7 @@ def schedule(self, jobs, cron):
         for job in jobs:
             Engine._check_argument(job)
 
-        return [self.local_schedule(job, cron) for job in jobs]
+        [self.local_schedule(job, cron) for job in jobs]
 
     """
         Executes jobs asynchronously

zenaton/traits/zenatonable.py

@@ -19,7 +19,7 @@ def schedule(self, cron):
         if not isinstance(cron, str) or cron == "":
             raise InvalidArgumentError("Param passed to 'schedule' function must be a non empty cron string")
 
-        return Engine().schedule([self], cron)[0]
+        return Engine().schedule([self], cron)
 
     """
         Sends self as the single job to be executed