Update app.py

app.py

@@ -18,14 +18,14 @@ def is_prime_number(n:int)-> str: #it's import to specify the return type
         n: An integer to be tested for primality.
     """
     try:
-        if arg1 <= 1:
-            return f"{arg1} is not a prime number."
-        for i in range(2, int(arg1 ** 0.5) + 1):
-            if arg1 % i == 0:
-                return f"{arg1} is not a prime number."
-        return f"{arg1} is a prime number."
+        if n <= 1:
+            return f"{n} is not a prime number."
+        for i in range(2, int(n ** 0.5) + 1):
+            if n % i == 0:
+                return f"{n} is not a prime number."
+        return f"{n} is a prime number."
     except Exception as e:
-        return f"Error checking primality for '{arg1}': {str(e)}"
+        return f"Error checking primality for '{n}': {str(e)}"
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: