Update networks/message_streamer.py

networks/message_streamer.py

@@ -147,21 +147,22 @@ class MessageStreamer:
         for line in stream_response.iter_lines():
             if not line:
                 continue
-
+    
             content = self.parse_line(line)
-
-            if content.strip() == self.stop_sequences:
+    
+            if content is not None and content.strip() == self.stop_sequences:
                 content_type = "Finished"
                 logger.success("\n[Finished]")
                 is_finished = True
             else:
                 content_type = "Completions"
                 logger.back(content, end="")
-
+    
             output = self.message_outputer.output(
                 content=content, content_type=content_type
             )
             yield output
-
+    
         if not is_finished:
             yield self.message_outputer.output(content="", content_type="Finished")
+