diff --git a/qcloud_cos/cos_client.py b/qcloud_cos/cos_client.py
index a8df0be6..bd6973b0 100644
--- a/qcloud_cos/cos_client.py
+++ b/qcloud_cos/cos_client.py
@@ -4091,4 +4091,5 @@ def list_live_channel(self, Bucket, MaxKeys=100, Prefix='', Marker='', **kwargs)
 
 
 if __name__ == "__main__":
-    pass
\ No newline at end of file
+    pass
+# This is a new line that ends the file.