agrounds opened a new issue #17812:
URL: https://github.com/apache/airflow/issues/17812
**Apache Airflow version**:
2.1.3 (python version 3.8.11)
**OS**:
MacOS Big Sur 11.4
**Apache Airflow Provider versions**:
None
**Deployment**:
Local virtualenv created with pipenv
**What happened**:
Unable to install apache-airflow 2.1.3 using pipenv. Full error message:
```
[pipenv.exceptions.ResolutionFailure]: Warning: Your dependencies could not
be resolved. You likely have a mismatch in your sub-dependencies.
First try clearing your dependency cache with $ pipenv lock --clear, then
try the original command again.
Alternatively, you can use $ pipenv install --skip-lock to bypass this
mechanism, then run $ pipenv graph to inspect the situation.
Hint: try $ pipenv lock --pre if it is a pre-release dependency.
ERROR: Could not find a version that matches markupsafe<2.0,>=1.1.1,>=2.0
(from apache-airflow==2.1.3->-r
/var/folders/1f/vgxps40576s4y3yp5g45l3qh0000gn/T/pipenvb6k6gz5rrequirements/pipenv-052vuxby-constraints.txt
(line 2))
Tried: 0.9, 0.9.1, 0.9.2, 0.9.3, 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17,
0.18, 0.19, 0.20, 0.21, 0.22, 0.23, 1.0, 1.1.0, 1.1.1, 2.0.0, 2.0.1
Skipped pre-versions: 2.0.0a1, 2.0.0rc1, 2.0.0rc2
There are incompatible versions in the resolved dependencies:
markupsafe<2.0,>=1.1.1 (from apache-airflow==2.1.3->-r
/var/folders/1f/vgxps40576s4y3yp5g45l3qh0000gn/T/pipenvb6k6gz5rrequirements/pipenv-052vuxby-constraints.txt
(line 2))
markupsafe>=2.0 (from jinja2==3.0.1->apache-airflow==2.1.3->-r
/var/folders/1f/vgxps40576s4y3yp5g45l3qh0000gn/T/pipenvb6k6gz5rrequirements/pipenv-052vuxby-constraints.txt
(line 2))
```
**What you expected to happen**:
Airflow to be installed in a virtualenvironment.
**How to reproduce it**:
1. Make sure [pipenv](https://pipenv.pypa.io/en/latest/) is installed
2. Save the following to a file called `Pipfile` somewhere you don't already
have a `pipenv` project:
```
[[source]]
url = "https://pypi.python.org/simple";
verify_ssl = true
name = "pypi"
[packages]
"apache-airflow" = "==2.1.3"
[dev-packages]
[requires]
python_version = "3.8"
```
3. Run `pipenv lock` or `pipenv install`
**Are you willing to submit a PR?**
Yes, if someone can show me how subdependencies of Airflow are managed.
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