Update app.py

app.py

@@ -33,15 +33,16 @@ def get_current_time_in_timezone(timezone: str) -> str:
     except Exception as e:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
-@tool(description="Converts between common units (length, weight, temperature). Useful for unit conversion tasks.")
+@tool
 def convert_units(value: float, from_unit: str, to_unit: str) -> str:
-    """Converts common units (length, weight, temperature).
+    """Converts between common units (length, weight, temperature). Useful for unit conversion tasks.
+
     Args:
         value: The numerical value to convert
         from_unit: The original unit (e.g., 'km', 'kg', 'C')
         to_unit: The target unit (e.g., 'miles', 'lb', 'F')
     """
-    conversions - {
+    conversions = {
         ('km', 'miles'): lambda x: x * 0.621371,
         ('miles', 'km'): lambda x: x / 0.621371,
         ('kg', 'lb'): lambda x: x * 2.20462,
@@ -49,11 +50,10 @@ def convert_units(value: float, from_unit: str, to_unit: str) -> str:
         ('C', 'F'): lambda x: (x * 9/5) + 32,
         ('F', 'C'): lambda x: (x - 32) * 5/9
     }
-    # dictionary which maps (from_unit, to_unit) tuples to simple math functions (lambda) that perform the actual conversion
     try:
         func = conversions[(from_unit.lower(), to_unit.lower())]
         result = func(value)
-        return f"(value) {from_unit} = {result:.2f} {to_unit}"
+        return f"{value} {from_unit} = {result:.2f} {to_unit}"
     except KeyError:
         return f"Unsupported conversion from {from_unit} to {to_unit}."
     except Exception as e: