Update app.py

app.py

@@ -385,7 +385,7 @@ def invoke (prompt, file, history, rag_option, model_option, openai_api_key, k=3
         ###########################
         if (model_option == "OpenAI"):
             #Anfrage an OpenAI ----------------------------
-            if (prompt.find('Bild zeichnen')):
+            if (prompt.value.find('Bild zeichnen')):
                 llm = ChatOpenAI(model_name = MODEL_NAME_OAI_ZEICHNEN,  openai_api_key = openai_api_key, temperature=temperature)#, top_p = top_p)    
             else: 
                 llm = ChatOpenAI(model_name = MODEL_NAME,  openai_api_key = openai_api_key, temperature=temperature)#, top_p = top_p)