Fix permission error when using easy_install through sudo

Same as b2542bff.

library/packaging/easy_install

@@ -19,6 +19,7 @@
 # along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
 #
 
+import tempfile
 import os.path
 
 DOCUMENTATION = '''
@@ -151,6 +152,7 @@ def main():
             command = '%s %s' % (virtualenv, env)
             if site_packages:
                 command += ' --system-site-packages'
+            os.chdir(tempfile.gettempdir())
             rc_venv, out_venv, err_venv = module.run_command(command)
 
             rc += rc_venv