this is a very abandoned python module, easier to just patch in this
diff --git a/buildtools/config.py b/buildtools/config.py
index 20a2fd9d..fa16befd 100644
--- a/buildtools/config.py
+++ b/buildtools/config.py
@@ -27,7 +27,11 @@ from distutils.dep_util  import newer
 
 import distutils.sysconfig
 
-from attrdict import AttrDict
+class AttrDict(dict):
+    def __getattr__(self, attr):
+        return self[attr]
+    def __setattr__(self, attr, value):
+        self[attr] = value
 
 runSilently = False