問題現(xiàn)象
在安裝Superset執(zhí)行命令superset db upgrade時拋出如下異常：
Traceback (most recent call last):
File "/home/alphatan/anaconda3/envs/beacon-library/bin/superset", line 18, in <module>
from superset.cli import superset
File "/home/alphatan/anaconda3/envs/beacon-library/lib/python3.6/site-packages/superset/__init__.py", line 21, in <module>
from superset.app import create_app
File "/home/alphatan/anaconda3/envs/beacon-library/lib/python3.6/site-packages/superset/app.py", line 21, in <module>
import wtforms_json
ModuleNotFoundError: No module named 'wtforms_json'
解決方案
pip install WTForms-JSON