diff --git a/pkgs/development/python-modules/generic/do_conflict.py b/pkgs/development/python-modules/generic/catch_conflicts.py
similarity index 87%
rename from pkgs/development/python-modules/generic/do_conflict.py
rename to pkgs/development/python-modules/generic/catch_conflicts.py
index 092bba4df237..35512bb44d35 100644
--- a/pkgs/development/python-modules/generic/do_conflict.py
+++ b/pkgs/development/python-modules/generic/catch_conflicts.py
@@ -8,7 +8,8 @@ packages = collections.defaultdict(list)
 for f in sys.path:
     for req in pkg_resources.find_distributions(f):
         if req not in packages[req.project_name]:
-            if req.project_name == 'setuptools':
+            # some exceptions inside buildPythonPackage
+            if req.project_name in ['setuptools', 'pip']:
                 continue
             packages[req.project_name].append(req)