fix: clean spaces import for local IDE and Hugging Face ZeroGPU

app.py

@@ -1,4 +1,5 @@
 import gradio as gr
+import spaces
 from main import (
     graph_app,
     HumanMessage,
@@ -8,19 +9,6 @@ from main import (
     app as fastapi_app
 )
 
-# Soporte para Hugging Face ZeroGPU
-try:
-    import spaces
-except ImportError:
-    class spaces:
-        @staticmethod
-        def GPU(func=None, duration=None):
-            if func is not None:
-                return func
-            def decorator(f):
-                return f
-            return decorator
-
 @spaces.GPU
 def chat_fn(message, history):
     messages = [SystemMessage(content=DEFAULT_SYSTEM_PROMPT)]