fixed Chatformat

app.py

@@ -351,7 +351,7 @@ class BSIChatbot:
         context = "\nExtracted documents:\n"
         context += "".join([doc for i, doc in enumerate(retrieved_chunks_text)])
         #Alles außer letzte Useranfrage
-        final_prompt = prompt_in_chat_format[-1].format(
+        final_prompt = prompt_in_chat_format[-1]["content"].format(
             question=query, context=context, history=history[:-1]
         )