1 files changed, 2 insertions, 0 deletions
diff --git a/setuptools/sandbox.py b/setuptools/sandbox.py
index c6840ce4..b90d1e1b 100755
--- a/setuptools/sandbox.py
+++ b/setuptools/sandbox.py
@@ -152,6 +152,8 @@ def setup_context(setup_dir):
                 with save_argv():
                     with override_temp(temp_dir):
                         with pushd(setup_dir):
+                            # ensure setuptools commands are available
+                            __import__('setuptools')
                             yield