Fix #63

core.py

@@ -100,7 +100,7 @@ def main():
                 # Otherwise, forward the update to the corresponding worker
                 receiving_worker = chat_workers.get(update.message.chat.id)
                 # Ensure a worker exists for the chat and is alive
-                if receiving_worker is None or not receiving_worker.is_alive():
+                if receiving_worker is None or not receiving_worker.is_ready():
                     log.debug(f"Received a message in a chat without worker: {update.message.chat.id}")
                     # Suggest that the user restarts the chat with /start
                     bot.send_message(update.message.chat.id, default_loc.get("error_no_worker_for_chat"),

worker.py

@@ -130,6 +130,10 @@ class Worker(threading.Thread):
                 self.sentry_client.captureException()
             traceback.print_exception(*sys.exc_info())
 
+    def is_ready(self):
+        # Change this if more parameters are added!
+        return self.loc is not None
+
     def stop(self, reason: str = ""):
         """Gracefully stop the worker process"""
         # Send a stop message to the thread