Scheduler fix

libs/apscheduler/jobstores/base.py

@@ -0,0 +1,25 @@
+"""
+Abstract base class that provides the interface needed by all job stores.
+Job store methods are also documented here.
+"""
+
+
+class JobStore(object):
+    def add_job(self, job):
+        """Adds the given job from this store."""
+        raise NotImplementedError
+
+    def update_job(self, job):
+        """Persists the running state of the given job."""
+        raise NotImplementedError
+
+    def remove_job(self, job):
+        """Removes the given jobs from this store."""
+        raise NotImplementedError
+
+    def load_jobs(self):
+        """Loads jobs from this store into memory."""
+        raise NotImplementedError
+
+    def close(self):
+        """Frees any resources still bound to this job store."""