diff -ur astropy-0.4.1/astropy/config/configuration.py astropy-0.4.1.configobj/astropy/config/configuration.py
--- astropy-0.4.1/astropy/config/configuration.py	2014-09-01 22:41:30.066853605 +0200
+++ astropy-0.4.1.configobj/astropy/config/configuration.py	2014-09-01 22:40:50.793528942 +0200
@@ -23,7 +23,8 @@
 import types
 from warnings import warn
 
-from ..extern.configobj import configobj, validate
+import configobj
+import validate
 from ..utils.exceptions import AstropyWarning, AstropyDeprecationWarning
 from ..utils import find_current_module
 from ..utils.misc import InheritDocstrings