Fix diff bug with oldstyle classes (Python 2) (#302)

* Fix oldstyle-class bug in diff * Use __class__ by default, fallback to type()
uqfoundation · Feb 15, 2019 · f6a17a0 · f6a17a0
1 parent 325144e
commit f6a17a0
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/dill/__diff.py b/dill/__diff.py
@@ -57,7 +57,10 @@ def get_seq(obj, cache={str: False, frozenset: False, list: True, set: True,
     """
     Gets all the items in a sequence or return None
     """
-    o_type = type(obj)
+    try:
+        o_type = obj.__class__
+    except AttributeError:
+        o_type = type(obj)
     hsattr = hasattr
     if o_type in cache:
         if cache[o_type]: