Actual code should be massively linted

[XaviTorello]

Checklist

• I have verified that that issue exists against the master branch.
• I have searched for similar issues in both open and closed tickets and cannot find a duplicate.
• This is not a usage question. (Those should be directed to the Slack instead.)
• I have reduced the issue to the simplest possible case.

Describe the bug
Current code is not well formatted and does not accomplish our agreed standards, so check-code action will raise for each new PR.

$ pre-commit run --all

[INFO] Initializing environment for https://github.com/pycqa/isort.
[INFO] Initializing environment for https://github.com/pycqa/isort:toml.
[INFO] Initializing environment for https://github.com/ambv/black.
[INFO] Initializing environment for https://github.com/pre-commit/pre-commit-hooks.
[INFO] Installing environment for https://github.com/pycqa/isort.
[INFO] Once installed this environment will be reused.
[INFO] This may take a few minutes...
[INFO] Installing environment for https://github.com/ambv/black.
[INFO] Once installed this environment will be reused.
[INFO] This may take a few minutes...
[INFO] Installing environment for https://github.com/pre-commit/pre-commit-hooks.
[INFO] Once installed this environment will be reused.
[INFO] This may take a few minutes...
isort....................................................................Failed
- hook id: isort
- files were modified by this hook

Fixing /Users/photopills/Projects/anemperfeina/tests/jobsapp/test_jopsapp.py
Fixing /Users/photopills/Projects/anemperfeina/tests/factories.py
Fixing /Users/photopills/Projects/anemperfeina/tests/accounts/test_accounts.py
Fixing /Users/photopills/Projects/anemperfeina/jobsapp/views/employer.py
Fixing /Users/photopills/Projects/anemperfeina/jobs/settings/testing.py
Skipped 12 files

black....................................................................Failed
- hook id: black
- files were modified by this hook

reformatted /Users/photopills/Projects/anemperfeina/tests/accounts/test_accounts.py
reformatted /Users/photopills/Projects/anemperfeina/tests/jobsapp/test_jopsapp.py
reformatted /Users/photopills/Projects/anemperfeina/tests/factories.py
All done! ✨ 🍰 ✨
3 files reformatted, 44 files left unchanged.

Expected behavior
Current master code should be fixed to ensure that each PR identifies just the changes that they introduces.

Screenshots
https://github.com/GeeksCAT/anem-per-feina/runs/1252512799?check_suite_focus=true