Update app.py

app.py

@@ -197,8 +197,9 @@ for i in range(row_count):
 
 def create_download_link(data, filename):
     csv_data = StringIO()
-    writer = csv.writer(csv_data, delimiter='\n', quotechar='"')
-    writer.writerow(data)
+    writer = csv.writer(csv_data, delimiter=',', quotechar='"', quoting=csv.QUOTE_MINIMAL)
+    for row in data:
+        writer.writerow([row])
     b64 = base64.b64encode(csv_data.getvalue().encode()).decode()
     return f'<a href="data:file/csv;base64,{b64}" download="{filename}">{filename}</a>'