[svn r21094] Fix problem with using uninstalled pip

docs/news.txt

 News for pip
-==================
+============
+
+svn trunk
+---------
+
+* Fixed small problem that prevented using ``pip.py`` without actually
+  installing pip.
 
 0.2
 ---

pip.py

@@ -53,7 +53,7 @@ try:
     pip_dist = pkg_resources.get_distribution('pip')
     version = '%s from %s (python %s)' % (
         pip_dist, pip_dist.location, sys.version[:3])
-except DistributionNotFound:
+except pkg_resources.DistributionNotFound:
     # when running pip.py without installing
     version=None