Remove bug with dictionary updating

setup.py

@@ -7,7 +7,7 @@ from setuptools import setup, find_packages
 
 setup(
     name='xbob.buildout',
-    version='0.2.10',
+    version='0.2.11',
     description="zc.buildout recipes to perform a variety of tasks required by Bob satellite packages",
     keywords=['buildout', 'sphinx', 'nose', 'recipe', 'eggs', 'bob'],
     url='http://github.com/bioidiap/xbob.buildout',

xbob/buildout/envwrapper.py

@@ -63,4 +63,3 @@ class EnvironmentWrapper(object):
           pass
       else:
         os.environ[key] = self._saved_environment[key]
-        del self._saved_environment[key]