问安装airflow后无法初始化airflow数据库

EN

$ pip install 'apache-airflow[s3,postgres,celery,hdfs,jdbc,hive,slack,crypto,redis]==1.10.4'

$ airflow initidb

Traceback (most recent call last):
  File "/Users/user/opt/anaconda3/bin/airflow", line 21, in <module>
    from airflow import configuration
  File "/Users/user/opt/anaconda3/lib/python3.7/site-packages/airflow/__init__.py", line 31, in <module>
    from airflow.utils.log.logging_mixin import LoggingMixin
  File "/Users/user/opt/anaconda3/lib/python3.7/site-packages/airflow/utils/__init__.py", line 24, in <module>
    from .decorators import apply_defaults as _apply_defaults
  File "/Users/user/opt/anaconda3/lib/python3.7/site-packages/airflow/utils/decorators.py", line 34, in <module>
    from airflow import settings
  File "/Users/user/opt/anaconda3/lib/python3.7/site-packages/airflow/settings.py", line 36, in <module>
    from airflow.configuration import conf, AIRFLOW_HOME, WEBSERVER_CONFIG  # NOQA F401
  File "/Users/user/opt/anaconda3/lib/python3.7/site-packages/airflow/configuration.py", line 29, in <module>
    from future import standard_library
ValueError: source code string cannot contain null bytes