style: some of the suggestions from flake8
diff --git a/serial/urlhandler/protocol_rfc2217.py b/serial/urlhandler/protocol_rfc2217.py
index 1357173..c14c792 100644
--- a/serial/urlhandler/protocol_rfc2217.py
+++ b/serial/urlhandler/protocol_rfc2217.py
@@ -7,4 +7,4 @@
 #
 # SPDX-License-Identifier:    BSD-3-Clause
 
-from serial.rfc2217 import Serial
+from serial.rfc2217 import Serial # noqa