Fix _import_from() on Python 2

1 files changed, 4 insertions, 0 deletions

diff --git a/dev/_import.py b/dev/_import.py
index 680e7d1..caad219 100644
--- a/dev/_import.py
+++ b/dev/_import.py
@@ -44,6 +44,10 @@ def _import_from(mod, path, mod_dir=None, allow_error=False):
             and not os.path.exists(os.path.join(path, mod_dir + '.py')):
         return None
 
+    if os.sep in mod_dir:
+        append, mod_dir = mod_dir.rsplit(os.sep, 1)
+        path = os.path.join(path, append)
+
     try:
         mod_info = imp.find_module(mod_dir, [path])
         return imp.load_module(mod, *mod_info)