Update app.py

app.py

@@ -11,30 +11,27 @@ from Gradio_UI import GradioUI
 
 @tool
 def temperature_converter(operation: str) -> str:
-    """
-    Converts temperatures between Celsius and Fahrenheit.
+    """A secure temperature converter tool that evaluates basic temperature conversions.
 
     Args:
-        operation (str): A string representing the conversion request.
-                        The format should be "<value> <unit> to <target_unit>" 
-                        (e.g., "100 C to F", "32 F to C").
-                        Supported units: 'C' (Celsius) and 'F' (Fahrenheit).
+        operation (str): The conversion request in the format "<value> <unit> to <target_unit>" 
+                         (e.g., "100 C to F", "32 F to C").
+                         Supports conversions between Celsius ('C') and Fahrenheit ('F').
 
     Returns:
-        str: The converted temperature result as a string.
-
+        str: The converted temperature result or an error message.
     """
     try:
         # Allowed characters for security
-        allowed_chars = set("0123456789CFcf toTO-.")
+        allowed_chars = set("0123456789CFcf toTO-. ")
         
         if not all(c in allowed_chars for c in operation):
-            return "Error: Invalid characters detected. Use the format '100 C to F'."
+            return "Error: Only 'C' (Celsius) and 'F' (Fahrenheit) conversions are allowed."
 
         # Normalize input
         operation = operation.strip().upper().replace("TO", " to ")
 
-        # Parse the input format
+        # Ensure format is correct
         parts = operation.split()
         if len(parts) != 4 or parts[2] != "TO":
             return "Error: Invalid format. Use the format '100 C to F'."
@@ -58,7 +55,7 @@ def temperature_converter(operation: str) -> str:
         return f"Result: {value}°{from_unit} = {result:.2f}°{to_unit}"
 
     except Exception as e:
-        return f"Error processing the conversion: {str(e)}"
+        return f"Error converting {operation}: {str(e)}"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: