Merge branch 'development' into remove-tests-from-build

Author: chillaq

splitio/models/telemetry.py

@@ -627,6 +627,8 @@ def pop_update_from_sse(self, event):
         :rtype: int
         """
         with self._lock:
+            if self._update_from_sse.get(event.value) is None:
+                return 0
             update_from_sse = self._update_from_sse[event.value]
             self._update_from_sse[event.value] = 0
             return update_from_sse