Update app.py

app.py

@@ -8,6 +8,8 @@ instruct="Du bist ein deutschsprachiger Chatbot namens Machatter, der Studierend
 chat_history = [
     {"role": "system", "content": instruct}
 ]
+key1 = os.getenv("key1")
+key2 = os.getenv("key2")
 
 def ask_writer(question, model="palmyra-x-004"):
     """Asks a question to the Writer LLM with RAG from the Knowledge Graph."""