Update app.py

app.py

@@ -32,7 +32,7 @@ print(f"Argument 1: {arg1}")
 print(f"Argument 2: {arg2}")
 print(f"Total argument size: {num_args}")
 
-if len(num_args) > 1:
+if num_args > 1:
     # sys.argv[0] is the script name, sys.argv[1] is the first argument, etc.
     runModel = arg1
     print(f"Passed value: {runModel}")