test_core should work on master already?

test/test_core.py

@@ -25,11 +25,18 @@ class AbstractNdarray_Check(object):
         out_file = NamedTemporaryFile(suffix='.npz')
         self._inst.save(out_file.name)
         _ = out_file.seek(0)  # this is only necessary in the test
-        load_inst = self._inst.__class__.load(out_file.name)
+        load_inst = type(self._inst).load(out_file.name)
         # allow_pickle=True)  ?
 
         self.demand_equal(load_inst)
 
+    def test_dict(self):
+        d = self._inst._as_dict()
+        print("DONE")
+        print(d)
+        other = type(self._inst)._from_dict(**d)
+        self.demand_equal(other)
+
     def tearDown(self):
         del self._inst
 

tfields/core.py

@@ -430,7 +430,7 @@ class AbstractNdarray(np.ndarray):
                                 "{attr}::{i}::{part_attr}".format(**locals())
                             ] = part_value
                     continue
-            if isinstance(value, AbstractNdarray):
+            elif isinstance(value, AbstractNdarray):
                 value = value._as_dict()
             d[attr] = value
         return d