1 files changed, 4 insertions, 0 deletions
diff --git a/pkg_resources.py b/pkg_resources.py
index 2fbf415d..1d5d8643 100644
--- a/pkg_resources.py
+++ b/pkg_resources.py
@@ -2239,6 +2239,10 @@ class Distribution(object):
         """Insert self.location in path before its nearest parent directory"""
 
         loc = loc or self.location
+
+        # TODO: raise error if we're adding setuptools >= 0.7 as that is
+        # guaranteed to be incompatible with distribute.
+
         if not loc:
             return