Update app.py

app.py

@@ -384,9 +384,8 @@ def invoke (prompt, file, history, rag_option, model_option, openai_api_key, k=3
         #LLM auswählen (OpenAI oder HF)
         ###########################
         if (model_option == "OpenAI"):
-
             #Anfrage an OpenAI ----------------------------
-            if (prompt.find('Bild zeichnen')):
+            if (prompt.find('Bild zeichnen') != -1):
                 print("OpenAI zeichnen.......................")
                 llm = ChatOpenAI(model_name = MODEL_NAME_OAI_ZEICHNEN,  openai_api_key = openai_api_key, temperature=temperature)#, top_p = top_p)    
             else: 
@@ -424,7 +423,7 @@ def invoke (prompt, file, history, rag_option, model_option, openai_api_key, k=3
         raise gr.Error(e)
 
 
-    if (prompt.find('Bild zeichnen')):
+    if (prompt.find('Bild zeichnen') != -1):
         history[-1][1] = result
         return history, "Stop: Success"
     else: