as_dict() use frozenset() instead of set() as it's slightly faster

1 files changed, 3 insertions, 3 deletions

diff --git a/psutil/__init__.py b/psutil/__init__.py
index b62f8d43..35c505e1 100644
--- a/psutil/__init__.py
+++ b/psutil/__init__.py
@@ -153,9 +153,9 @@ class Process(object):
         AccessDenied exception is raised when retrieving that particular
         process information.
         """
-        excluded_names = set(['send_signal', 'suspend', 'resume', 'terminate',
-                              'kill', 'wait', 'is_running', 'as_dict', 'parent',
-                              'get_children', 'nice'])
+        excluded_names = frozenset(['send_signal', 'suspend', 'resume', 'nice'
+                                    'terminate', 'kill', 'wait', 'is_running',
+                                    'as_dict', 'parent', 'get_children'])
         retdict = dict()
         for name in set(attrs or dir(self)):
             if name.startswith('_'):