diff --git a/lib/py/src/server/TProcessPoolServer.py b/lib/py/src/server/TProcessPoolServer.py
index d2e97c5..c9cfa11 100644
--- a/lib/py/src/server/TProcessPoolServer.py
+++ b/lib/py/src/server/TProcessPoolServer.py
@@ -43,7 +43,7 @@
         self.postForkCallback = None
 
     def __getstate__(self):
-        state=self.__dict__.copy()
+        state = self.__dict__.copy()
         state['workers'] = None
         return state