In BUILD_LIST, use PyList_SET_ITEM() instead of PyList_SetItem(); and get rid of redundant error check.
In BUILD_LIST, use PyList_SET_ITEM() instead of PyList_SetItem(); and
get rid of redundant error check.

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