Fix indentation.
diff --git a/pym/portage/xml/metadata.py b/pym/portage/xml/metadata.py
index 3513fff..f4b8f2d 100644
--- a/pym/portage/xml/metadata.py
+++ b/pym/portage/xml/metadata.py
@@ -36,7 +36,7 @@
 	# Our _MetadataTreeBuilder usage is incompatible with
 	# cElementTree in Python 2.6:
 	#  File "/usr/lib/python2.6/xml/etree/ElementTree.py", line 644, in findall
-    #    assert self._root is not None
+	#    assert self._root is not None
 	import xml.etree.ElementTree as etree
 else:
 	try: