Merge branch 'feat/stream_finish_once' into 'master'

Send stream finish flag only once

See merge request !36

src/AsapoWorker/streamer.py

@@ -170,10 +170,11 @@ class Streamer:
             return None, None
         except StreamFinishedError as err:
             log.info("Stream is finished")
-            self.stream_finished = True
             self._handle_end_of_stream()
-            stream_info = self.receiver.get_stream_info()
-            self.worker.stream_finished(stream_info)
+            if not self.stream_finished:
+                stream_info = self.receiver.get_stream_info()
+                self.worker.stream_finished(stream_info)
+                self.stream_finished = True
             left_msgs = len(self.receiver.get_unacknowledged_messages())
             log.info("Number of unacknowledged messages = %s", left_msgs)
             if left_msgs == 0 or self.receiver.n_resend_nacs == 0: