schrockn opened a new issue #8457: Fatal on CLI invocation for python 2.7 1.10.10 URL: https://github.com/apache/airflow/issues/8457 The new airflow release breaks the CLI is our environment. **Python Version**: Python 2.7.17 **Apache Airflow version**: 1.10.10 **Environment**: - **Cloud provider or hardware configuration**: MacOS - **OS** (e.g. from /etc/os-release): - **Kernel** (e.g. `uname -a`): Darwin elementl-mbppro-2019.local 19.4.0 Darwin Kernel Version 19.4.0: Wed Mar 4 22:28:40 PST 2020; root:xnu-6153.101.6~15/RELEASE_X86_64 x86_64 - **Install tools**: pip and virtualenv - **Others**: **What happened**: ``` (debug-airflow-2.7-04-19-2020) [schrockn@mbp ~/code/dagster (fix-airflow)]$ airflow Traceback (most recent call last): File "/Users/schrockn/venvs/debug-airflow-2.7-04-19-2020/bin/airflow", line 26, in <module> from airflow.bin.cli import CLIFactory File "/Users/schrockn/venvs/debug-airflow-2.7-04-19-2020/lib/python2.7/site-packages/airflow/bin/cli.py", line 79, in <module> api_module = import_module(conf.get('cli', 'api_client')) # type: Any File "/Users/schrockn/.pyenv/versions/2.7.17/lib/python2.7/importlib/__init__.py", line 37, in import_module __import__(name) File "/Users/schrockn/venvs/debug-airflow-2.7-04-19-2020/lib/python2.7/site-packages/airflow/api/client/local_client.py", line 24, in <module> from airflow.api.common.experimental import delete_dag File "/Users/schrockn/venvs/debug-airflow-2.7-04-19-2020/lib/python2.7/site-packages/airflow/api/common/experimental/delete_dag.py", line 25, in <module> from airflow.models.serialized_dag import SerializedDagModel File "/Users/schrockn/venvs/debug-airflow-2.7-04-19-2020/lib/python2.7/site-packages/airflow/models/serialized_dag.py", line 32, in <module> from airflow.serialization.serialized_objects import SerializedDAG File "/Users/schrockn/venvs/debug-airflow-2.7-04-19-2020/lib/python2.7/site-packages/airflow/serialization/serialized_objects.py", line 28, in <module> import cattr File "/Users/schrockn/venvs/debug-airflow-2.7-04-19-2020/lib/python2.7/site-packages/cattr/__init__.py", line 1, in <module> from .converters import Converter, UnstructureStrategy File "/Users/schrockn/venvs/debug-airflow-2.7-04-19-2020/lib/python2.7/site-packages/cattr/converters.py", line 15, in <module> from ._compat import ( File "/Users/schrockn/venvs/debug-airflow-2.7-04-19-2020/lib/python2.7/site-packages/cattr/_compat.py", line 2, in <module> from functools import lru_cache, singledispatch # noqa ImportError: cannot import name lru_cache ``` **What you expected to happen**: Expect the airflow help string to print **How to reproduce it**: Any cli invocation **Anything else we need to know**: More relevant modules: ``` cattrs 0.9.1 backports.functools-lru-cache 1.6.1 ```
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