Update app.py

app.py

@@ -19,7 +19,7 @@ def preprocess_input(input_data):
         'A+': 4.0, 'A': 3.85, 'A-': 3.7, 'B+': 3.3, 'B': 3.0, 'B-': 2.7,
         'C+': 2.3, 'C': 2.0, 'C-': 1.7, 'D+': 1.3, 'D': 1.0, 'D-': 0.7, 'F': 0.0
     }
-    grade_columns = ['calc', 'pf', 'oop']
+    grade_columns = ['calc', 'pf']
 
     for col in grade_columns:
         input_data[col] = grade_mapping[input_data[col]]