Merge pull request #69 from rdemaria/disabling__iter__in_refs

disabling __iter__ in refs

Author: giadarol

xdeps/refs.py

@@ -30,6 +30,7 @@
     '__array_finalize__',
     '__array__',
     '__array_priority__',
+    '__iter__',
     # _ipython_canary_method_should_not_exist_ is used by IPython to detect
     # if an object 'lies' about its attributes due to its __getattr__. We should
     # not try to intercept it.