Kousuke Saruta created AIRFLOW-6508:
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Summary: Update the version of cattrs from 0.9 to 1.0
Key: AIRFLOW-6508
URL: https://issues.apache.org/jira/browse/AIRFLOW-6508
Project: Apache Airflow
Issue Type: Improvement
Components: build
Affects Versions: 1.10.8
Reporter: Kousuke Saruta
Assignee: Kousuke Saruta
cattrs 0.9 with Python 3.8 causes following error.
{code:java}
$ airflow
Traceback (most recent call last):
File "/Users/sarutak/airflow-env/bin/airflow", line 27, in <module>
from airflow.bin.cli import CLIFactory
File
"/Users/sarutak/airflow-env/lib/python3.8/site-packages/airflow/__init__.py",
line 40, in <module>
from airflow.models.dag import DAG
File
"/Users/sarutak/airflow-env/lib/python3.8/site-packages/airflow/models/__init__.py",
line 21, in <module>
from airflow.models.baseoperator import BaseOperator, BaseOperatorLink #
noqa: F401
File
"/Users/sarutak/airflow-env/lib/python3.8/site-packages/airflow/models/baseoperator.py",
line 41, in <module>
from airflow.lineage import apply_lineage, prepare_lineage
File
"/Users/sarutak/airflow-env/lib/python3.8/site-packages/airflow/lineage/__init__.py",
line 28, in <module>
from cattr import structure, unstructure
File
"/Users/sarutak/airflow-env/lib/python3.8/site-packages/cattr/__init__.py",
line 2, in <module>
from .converters import Converter, UnstructureStrategy
File
"/Users/sarutak/airflow-env/lib/python3.8/site-packages/cattr/converters.py",
line 3, in <module>
from ._compat import (
File
"/Users/sarutak/airflow-env/lib/python3.8/site-packages/cattr/_compat.py", line
86, in <module>
from typing import _Union
ImportError: cannot import name '_Union' from 'typing'
(/opt/python/3.8.0/lib/python3.8/typing.py) {code}
This issue is resolved in cattrs 1.0.
[https://github.com/Tinche/cattrs/pull/73]
So let's update it.
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