[py-svn] pytest commit b8b7749ce018: express filter as a listcomp

[commits-noreply at bitbucket.org]

# HG changeset patch -- Bitbucket.org
# Project pytest
# URL http://bitbucket.org/hpk42/pytest/overview
# User Benjamin Peterson <benjamin at python.org>
# Date 1290647922 21600
# Node ID b8b7749ce0183b539a50a174575562307b86ca88
# Parent  cfcf15d0d1e4aa25a9d6d45f59f5b6e92a19ed1e
express filter as a listcomp

--- a/_pytest/python.py
+++ b/_pytest/python.py
@@ -564,7 +564,7 @@ class FuncargRequest:
         self._pyfuncitem = pyfuncitem
         if hasattr(pyfuncitem, '_requestparam'):
             self.param = pyfuncitem._requestparam
-        extra = filter(None, [self.module, self.instance])
+        extra = [obj for obj in (self.module, self.instance) if obj]
         self._plugins = pyfuncitem.getplugins() + extra
         self._funcargs  = self._pyfuncitem.funcargs.copy()
         self._name2factory = {}