Update app.py

app.py

@@ -82,14 +82,17 @@ async def initialize_thread():
     session_data["thread_id"] = thread.id
 
 async def generate_response(user_input):
-    assistant_id = session_data["assistant_id"]
-    thread_id = session_data["thread_id"]
-
-    # Add a Message to the Thread
-    oai_message = await client.beta.threads.messages.create(
-        thread_id=thread_id,
-        role="user",
-        content=user_input
+    if user_input == "":
+        yield "Schreif eng Fro als Input"
+    else:
+        assistant_id = session_data["assistant_id"]
+        thread_id = session_data["thread_id"]
+
+        # Add a Message to the Thread
+        oai_message = await client.beta.threads.messages.create(
+            thread_id=thread_id,
+            role="user",
+            content=user_input
     )
 
     # Create and Stream a Run