ENH: Informative dtype message for for assert_series_equal

moi90 · moi90 · commit de0b3415445d · 2019-10-15T11:13:13.000+02:00
Pass obj to assert_attr_equal in assert_series_equal.
diff --git a/pandas/util/testing.py b/pandas/util/testing.py
@@ -1156,7 +1156,7 @@ def assert_series_equal(
         ):
             pass
         else:
-            assert_attr_equal("dtype", left, right)
+            assert_attr_equal("dtype", left, right, obj="Attributes of {obj}".format(obj=obj))
 
     if check_exact:
         assert_numpy_array_equal(
