Traceback (most recent call last):


 "/tmp/pycharm_project_397/demo/calendar.py", line 20, in <module>

from googleapiclient.discovery import build


 "/home/pi/.local/lib/python2.7/site-packages/googleapiclient/discovery.py", line 41, in <module>

from email.generator import Generator as BytesGenerator


 "/usr/lib/python2.7/email/generator.py", line 15, in <module>

from email.header import Header


 "/usr/lib/python2.7/email/header.py", line 16, in <module>

import email.quoprimime


 "/usr/lib/python2.7/email/quoprimime.py", line 49, in <module>

from email.utils import fix_eols


 "/usr/lib/python2.7/email/utils.py", line 32, in <module>

from email._parseaddr import quote


 "/usr/lib/python2.7/email/_parseaddr.py", line 16, in <module>

import time, calendar


 "/tmp/pycharm_project_397/demo/calendar.py", line 20, in <module>

from googleapiclient.discovery import build
ImportError: cannot import name build

Traceback (most recent call last):


 "train_memory.py", line 14, in <module>

import horovod.mxnet as hvd


 "/home/liuyang/anaconda3/envs/mxnet_partial/lib/python3.6/site-packages/horovod/mxnet/__init__.py", line 23, in <module>

__file__, 'mpi_lib')


 "/home/liuyang/anaconda3/envs/mxnet_partial/lib/python3.6/site-packages/horovod/common/util.py", line 56, in check_extension

'Horovod with %s=1 to debug the build error.' % (ext_name, ext_env_var))
ImportError: Extension horovod.mxnet has not been built.
If this is not expected, reinstall Horovod with HOROVOD_WITH_MXNET=1 to debug the build error.
