corrected python 3 compatibility

1 files changed, 8 insertions, 4 deletions

diff --git a/iniherit/mixin.py b/iniherit/mixin.py
index d8ee0f9..d4963b0 100644
--- a/iniherit/mixin.py
+++ b/iniherit/mixin.py
@@ -8,13 +8,13 @@
 
 import six
 from six.moves import configparser as CP
-# TODO: what is the PY3 version of 'new'?...
-import new
 
-from iniherit.parser import IniheritMixin
+from .parser import IniheritMixin
 
 #------------------------------------------------------------------------------
 
+# todo: should this perhaps use the `stub` package instead?...
+
 attrs = [attr for attr in dir(IniheritMixin) if not attr.startswith('__')]
 
 #------------------------------------------------------------------------------
@@ -33,7 +33,11 @@ def install_globally():
               '_iniherit_' + attr, getattr(CP.RawConfigParser, attr))
     meth = getattr(IniheritMixin, attr)
     if six.callable(meth):
-      meth = new.instancemethod(meth.im_func, None, CP.RawConfigParser)
+      if six.PY2:
+        import new
+        meth = new.instancemethod(meth.__func__, None, CP.RawConfigParser)
+      else:
+        meth = meth.__get__(None, CP.RawConfigParser)
     setattr(CP.RawConfigParser, attr, meth)
 
 #------------------------------------------------------------------------------