# can't rename snapshot to different directroy
expect_failure mv d1/d2/.snap/bar d1/.snap/
# can't overwrite existing snapshot
-expect_failure python -c "import os; os.rename('d1/d3/.snap/foo', 'd1/d3/.snap/bar')"
+expect_failure python3 -c "import os; os.rename('d1/d3/.snap/foo', 'd1/d3/.snap/bar')"
# can't move snaphost out of snapdir
-expect_failure python -c "import os; os.rename('d1/.snap/foo', 'd1/foo')"
+expect_failure python3 -c "import os; os.rename('d1/.snap/foo', 'd1/foo')"
rmdir d1/.snap/foo
rmdir d1/d2/.snap/bar