As in https://src.fedoraproject.org/rpms/python-wxpython4/raw/rawhide/f/no-attrdict.patch.
--- a/buildtools/config.py
+++ b/buildtools/config.py
@@ -27,8 +27,6 @@ from distutils.dep_util  import newer
 
 import distutils.sysconfig
 
-from attrdict import AttrDict
-
 runSilently = False
 
 #----------------------------------------------------------------------

