[GitHub] [airflow] agrounds edited a comment on issue #18075: Airflow installation fails when with latest `setuptools`

[GitBox <gi...@apache.org>]

agrounds edited a comment on issue #18075:
URL: https://github.com/apache/airflow/issues/18075#issuecomment-915318171


   @potiuk Airflow installation via `pip` is now failing for us. We're running this:
   
   ```
   pip install -r requirements.txt --constraint "https://raw.githubusercontent.com/apache/airflow/constraints-${AIRFLOW_VERSION}/constraints-${PYTHON_VERSION}.txt"
   ```
   
   with `AIRFLOW_VERSION=2.1.3` and `PYTHON_VERSION=3.8`, and we're getting this error:
   
   
   > DEPRECATION: Constraints are only allowed to take the form of a package name and a version specifier. Other forms were originally permitted as an accident of the implementation, but were undocumented. The new implementation of the resolver no longer supports these forms. A possible replacement is replacing the constraint with a requirement.. You can find discussion regarding this at https://github.com/pypa/pip/issues/8210.
   ERROR: Links are not allowed as constraints
   
   
   `pip` version is 21.0.1, can also provide `requirements.txt` if it's helpful, but I don't think it's relevant.


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