Update app.py

app.py

@@ -6,6 +6,21 @@ from langgraph.graph import StateGraph, END
 from pydantic import BaseModel
 import gradio as gr
 
+import os
+if os.environ.get("SPACES_ZERO_GPU") is not None:
+    import spaces
+else:
+    class spaces:
+        @staticmethod
+        def GPU(func):
+            def wrapper(*args, **kwargs):
+                return func(*args, **kwargs)
+            return wrapper
+
+@spaces.GPU
+def fake_gpu():
+  pass
+    
 
 # ---------------------------------------
 # Step 1: Define Hugging Face LLM (Qwen/Qwen2.5-7B-Instruct-1M)