1 files changed, 1 insertions, 2 deletions
diff --git a/Lib/multiprocessing/forkserver.py b/Lib/multiprocessing/forkserver.py
index d5ce625..6e09539 100644
--- a/Lib/multiprocessing/forkserver.py
+++ b/Lib/multiprocessing/forkserver.py
@@ -98,8 +98,7 @@ class ForkServer(object):
             if self._preload_modules:
                 desired_keys = {'main_path', 'sys_path'}
                 data = spawn.get_preparation_data('ignore')
-                data = dict((x,y) for (x,y) in data.items()
-                            if x in desired_keys)
+                data = {x: y for x, y in data.items() if x in desired_keys}
             else:
                 data = {}