Update app.py

app.py

@@ -67,7 +67,7 @@ if img_file_buffer is not None:
 
    # Check if the CSV file exists
     file_path = os.path.join("data", "data.csv")
-if os.path.exists(file_path):
+    if os.path.exists(file_path):
         # Append new data to existing CSV file
         existing_df = pd.read_csv(file_path)
         updated_df = pd.concat([existing_df, df], ignore_index=True)