Remove unused variables

Author: mnaberez

supervisor/pidproxy.py

@@ -25,9 +25,9 @@ def go(self):
         while 1:
             time.sleep(5)
             try:
-                pid, sts = os.waitpid(-1, os.WNOHANG)
+                pid = os.waitpid(-1, os.WNOHANG)[0]
             except OSError:
-                pid, sts = None, None
+                pid = None
             if pid:
                 break
 

supervisor/tests/test_process.py

@@ -1543,7 +1543,7 @@ def test_transition_backoff_to_starting_delay_in_future(self):
         from supervisor import events
         L = []
         events.subscribe(events.ProcessStateEvent, lambda x: L.append(x))
-        from supervisor.states import ProcessStates, SupervisorStates
+        from supervisor.states import ProcessStates
 
         future_time = time.time() + 3600 # 1 hour into the future
         options = DummyOptions()