protocols/ovsdb: Fix shadow loop variables [F402]

Signed-off-by: Jason Kölker <jason@koelker.net>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

ryu/services/protocols/ovsdb/client.py

@@ -261,9 +261,9 @@ class RemoteOvsdb(app_manager.RyuApp):
                 hub.sleep(0.1)
                 continue
 
-            for event in events:
-                ev = event[0]
-                args = event[1]
+            for e in events:
+                ev = e[0]
+                args = e[1]
                 self._submit_event(ev(self.system_id, *args))
 
             hub.sleep(0)

ryu/services/protocols/ovsdb/manager.py

@@ -137,8 +137,8 @@ class OVSDB(app_manager.RyuApp):
             self.main_thread = None
 
         # NOTE(jkoelker) Stop all the clients
-        for client in self._clients.values():
-            client.stop()
+        for c in self._clients.values():
+            c.stop()
 
         # NOTE(jkoelker) super will only take care of the event and joining now
         super(OVSDB, self).stop()