Fix whitespace

Author: aeros

Lib/concurrent/futures/process.py

@@ -59,6 +59,7 @@
 import sys
 import traceback
 
+
 _threads_wakeups = weakref.WeakKeyDictionary()
 _global_shutdown = False
 

Lib/concurrent/futures/thread.py

@@ -13,6 +13,7 @@
 import weakref
 import os
 
+
 _threads_queues = weakref.WeakKeyDictionary()
 _shutdown = False
 # Lock that ensures that new workers are not created while the interpreter is