diff --git a/supervisor/socket_manager.py b/supervisor/socket_manager.py
index 78b3ea432..f7ed1e9a9 100644
--- a/supervisor/socket_manager.py
+++ b/supervisor/socket_manager.py
@@ -4,7 +4,7 @@ class Proxy:
     """ Class for wrapping a shared resource object and getting
         notified when it's deleted
     """
-    
+
     def __init__(self, object, **kwargs):
         self.object = object
         self.on_delete = kwargs.get('on_delete', None)
@@ -12,30 +12,30 @@ def __init__(self, object, **kwargs):
     def __del__(self):
         if self.on_delete:
             self.on_delete()
-    
+
     def __getattr__(self, name):
         return getattr(self.object, name)
-        
+
     def _get(self):
         return self.object
-        
+
 class ReferenceCounter:
     """ Class for tracking references to a shared resource
     """
-    
+
     def __init__(self, **kwargs):
         self.on_non_zero = kwargs['on_non_zero']
         self.on_zero = kwargs['on_zero']
         self.ref_count = 0
-    
+
     def get_count(self):
         return self.ref_count
-    
+
     def increment(self):
         if self.ref_count == 0:
             self.on_non_zero()
         self.ref_count = self.ref_count + 1
-        
+
     def decrement(self):
         if self.ref_count <= 0:
             raise Exception('Illegal operation: cannot decrement below zero')
@@ -45,11 +45,11 @@ def decrement(self):
 
 class SocketManager:
     """ Class for managing sockets in servers that create/bind/listen
-        before forking multiple child processes to accept() 
+        before forking multiple child processes to accept()
         Sockets are managed at the process group level and referenced counted
         at the process level b/c that's really the only place to hook in
     """
-    
+
     def __init__(self, socket_config, **kwargs):
         self.logger = kwargs.get('logger', None)
         self.socket = None
@@ -58,7 +58,7 @@ def __init__(self, socket_config, **kwargs):
         self.ref_ctr = ReferenceCounter(
             on_zero=self._close, on_non_zero=self._prepare_socket
             )
-        
+
     def __repr__(self):
         return '<%s at %s for %s>' % (self.__class__,
                                       id(self),
@@ -66,7 +66,7 @@ def __repr__(self):
 
     def config(self):
         return self.socket_config
-        
+
     def is_prepared(self):
         return self.prepared
 
@@ -74,15 +74,15 @@ def get_socket(self):
         self.ref_ctr.increment()
         self._require_prepared()
         return Proxy(self.socket, on_delete=self.ref_ctr.decrement)
-        
+
     def get_socket_ref_count(self):
         self._require_prepared()
         return self.ref_ctr.get_count()
-        
+
     def _require_prepared(self):
         if not self.prepared:
             raise Exception('Socket has not been prepared')
-    
+
     def _prepare_socket(self):
         if not self.prepared:
             if self.logger: