Update app.py

app.py

@@ -7,7 +7,7 @@ import os
 
 # --- Load Dataset ---
 # Make sure you upload your CSV into the Space with the same name
-df = pd.read_csv("course_history_with_difficulty.csv")
+df = pd.read_csv("course_history_cleaned.csv")
 
 # Convert True/False into integers for modeling
 df["AP"] = df["AP"].astype(int)