18 import mxnet 19 ---> 20 version_tuple = tuple(int(x) for x in mxnet.__version__.split('.') if x.isdigit()) 21 lowest_version = (0, 11, 0) 22 not_yet_supported_version = (1, 2, 0) AttributeError: module 'mxnet' has no attribute '__version__' pip freeze: absl-py=...