Update app.py

app.py

@@ -68,7 +68,7 @@ def load_data(uploaded_file):
     return df
 
 def preprocess_data(df):
-   if uploaded_file.name.endswith('.csv'):
+    if uploaded_file.name.endswith('.csv'):
         df = pd.read_csv(uploaded_file, quotechar='"', encoding='utf-8')
     elif uploaded_file.name.endswith('.xlsx'):
         df = pd.read_excel(uploaded_file)