当我尝试airflow -version 和airflow initdb 时出现上述错误
File "/home/ravi/sandbox/bin/airflow", line 26, in <module>
from airflow.bin.cli import CLIFactory
File "/home/ravi/sandbox/lib/python3.6/site-packages/airflow/bin/cli.py", line 70, in <module>
from airflow.www.app import (cached_app, create_app)
File "/home/ravi/sandbox/lib/python3.6/site-packages/airflow/www/app.py", line 37, in <module>
from airflow.www.blueprints import routes
File "/home/ravi/sandbox/lib/python3.6/site-packages/airflow/www/blueprints.py", line 25, in <module>
from airflow.www import utils as wwwutils
File "/home/ravi/sandbox/lib/python3.6/site-packages/airflow/www/utils.py", line 39, in <module>
from flask_admin.model import filters
File "/home/ravi/sandbox/lib/python3.6/site-packages/flask_admin/model/__init__.py", line 2, in <module>
from .base import BaseModelView
File "/home/ravi/sandbox/lib/python3.6/site-packages/flask_admin/model/base.py", line 8, in <module>
from werkzeug import secure_filename
ImportError: cannot …