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I just start using airflow and I used the command :
airflow initdb
to initiate the airflow db as the setup required. But I stumbled on the error :
import cattr File "/home/adrienb/anaconda3/lib/python3.8/site-packages/cattr/__init__.py", line 1, in <module> from .converters import Converter, GenConverter, UnstructureStrategy File "/home/adrienb/anaconda3/lib/python3.8/site-packages/cattr/converters.py", line 16, in <module> from attr import fields, resolve_types ImportError: cannot import name 'resolve_types' from 'attr' (/home/adrienb/anaconda3/lib/python3.8/site-packages/attr/__init__.py)
Any ideas ?
953
Airflow uses SQLAlchemy to connect to the database, which requires you to configure the Database URL. You can do this in option sql_alchemy_conn in section [database] . It is also common to configure this option with AIRFLOW__DATABASE__SQL_ALCHEMY_CONN environment variable.
By default, Airflow uses SQLite, which is not intended for development purposes only. Airflow supports the following database engine versions, so make sure which version you have. Old versions may not support all SQL statements. If you plan on running more than one scheduler, you have to meet additional requirements.
It's a known issue will be fixed in 1.10.13 (PR) Since you are using Python 3.8 you should use (reference):
pip install apache-airflow==1.10.12 \
--constraint "https://raw.githubusercontent.com/apache/airflow/constraints-1.10.12/constraints-3.8.txt"
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