Update app.py

app.py

@@ -143,7 +143,7 @@ def append_file(file_path, content):
     except:
         return "Error occurred while appending to file."
 
-def download_csv(file_path):
+def download_csv(file_path, content):
     try:
         with open(file_path, "wb") as file:
             writer = csv.writer(file)