Update app.py

app.py

@@ -11,6 +11,8 @@ def show_json(str, obj):
     print(json.loads(obj.model_dump_json()))
 
 def init_assistant():
+    global client, assistant, thread
+    
     client = OpenAI(api_key=os.environ.get("OPENAI_API_KEY"))
     
     assistant = client.beta.assistants.create(
@@ -21,8 +23,6 @@ def init_assistant():
     
     thread = client.beta.threads.create()
 
-    return client, assistant, thread
-
 def wait_on_run(client, run, thread):
     while run.status == "queued" or run.status == "in_progress":
         run = client.beta.threads.runs.retrieve(
@@ -54,11 +54,7 @@ def chat(message, history):
     history_openai_format.append({"role": "user", "content": message})
 
     if len(history_openai_format) == 1:
-        client, assistant, thread = init_assistant()
-
-    client = client
-    assistant = assistant
-    thread = thread
+        init_assistant()
     
     show_json("assistant", assistant)
     show_json("thread", thread)