Python 3.3b2's importlib doesn't like sys.paths that dissappear. By having a...

Python 3.3b2's importlib doesn't like sys.paths that dissappear. By having a relative path in sys.path and then doinga chdir() that's exactly what happens. This bug will be fixed in the next 3.3 release, but there is no drawback to adding the path as an absolute path, so we do that to make the tests run under 3.3b2.

--HG--
branch : distribute
extra : rebase_source : 51c5ac7f8916ca85fb2633b8cdbd7aa2e759e67e

setup.py

@@ -31,7 +31,7 @@ if sys.version_info >= (3,):
     util.run_2to3(outfiles_2to3)
 
     # arrange setup to use the copy
-    sys.path.insert(0, tmp_src)
+    sys.path.insert(0, os.path.abspath(tmp_src))
     src_root = tmp_src
 
 from distutils.util import convert_path