Update veryfinal.py

veryfinal.py

@@ -305,10 +305,20 @@ class HybridLangGraphAgnoSystem:
         except Exception as e:
             return {"answer":f"Error: {e}","performance_metrics":{},"provider_used":"Error"}
 
-def build_graph(provider: str="hybrid"):
-    if provider=="hybrid":
+def build_graph(provider: str = "hybrid"):
+    """
+    Build and return the StateGraph for the requested provider.
+    - "hybrid" returns the HybridLangGraphAgnoSystem graph.
+    - "groq", "google", "nvidia" all fall back to the hybrid graph.
+    """
+    if provider == "hybrid":
         return HybridLangGraphAgnoSystem().graph
-    raise ValueError("Only 'hybrid' supported")
+    elif provider in ("groq", "google", "nvidia"):
+        # Simply reuse the hybrid graph under these names
+        return HybridLangGraphAgnoSystem().graph
+    else:
+        raise ValueError(f"Only 'hybrid', 'groq', 'google', or 'nvidia' supported (got '{provider}')")
+
 
 # Test
 if __name__=="__main__":