Update app.py

app.py

@@ -62,18 +62,6 @@ def safe_calculator_func(expression: str) -> str:
         print(f"Error during calculation for '{expression}': {e}")
         return f"Error calculating '{expression}': Invalid expression or calculation error ({e})."
 
-# --- Custom Pipeline to Fix LangChain Integration ---
-class FlanT5Pipeline(transformers.Pipeline):
-    def _call(self, *args, **kwargs):
-        # The HuggingFacePipeline class in LangChain might not pass the input
-        # with the 'inputs' keyword. This custom _call method ensures that
-        # whatever is passed as the first argument is correctly forwarded.
-        if args and len(args) > 0:
-            return super()._call(args[0], **kwargs)
-        else:
-            # Fallback in case no positional arguments are provided
-            return super()._call(kwargs)
-
 class LangChainAgentWrapper:
     def __init__(self):
         print("Initializing LangChainAgentWrapper...")