convertsimple(): call PyErr_NoMemory() on PyMem_NEW() failure
convertsimple(): call PyErr_NoMemory() on PyMem_NEW() failure

Raise a more revelant error (MemoryError instead of TypeError)

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator