Fix tests and some reformatting

[sumit4613]

Hey, I just made a Pull Request!

Description

Motivation and Context

Have you tested this? If so, how?

Checklist for PR author(s)

• Changes are covered by unit tests (no major decrease in code coverage %).
• All tests pass.
• Docstring coverage is 100% via interrogate drf_user (I mean, we should set a good example 😄).
• Updates to documentation:
  • Document any relevant additions/changes in README.md.
  • Manually update both the README.md and docs/index.rst for any new changes.
  • Any changed/added classes/methods/functions have appropriate versionadded, versionchanged, or deprecated directives. Find the appropriate next version in the project's __init__.py file.

Release note

[sourcery-ai]

Sourcery Code Quality Report

❌  Merging this PR will decrease code quality in the affected files by 0.13%.

Quality metrics	Before	After	Change
Complexity	2.07 ⭐	2.06 ⭐	-0.01 👍
Method Length	50.51 ⭐	50.79 ⭐	0.28 👎
Working memory	6.36 🙂	6.36 🙂	0.00
Quality	79.68% ⭐	79.55% ⭐	-0.13% 👎

Other metrics	Before	After	Change
Lines	1100	1119	19

Changed files	Quality Before	Quality After	Quality Change
drf_user/views.py	61.89% 🙂	61.89% 🙂	0.00%
tests/settings.py	73.32% 🙂	71.28% 🙂	-2.04% 👎
tests/test_views.py	87.69% ⭐	87.69% ⭐	0.00%

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
drf_user/views.py	OTPLoginView.post	15 🙂	245 ⛔	10 😞	41.48% 😞	Try splitting into smaller methods. Extract out complex expressions
drf_user/views.py	OTPView.post	11 🙂	142 😞	13 😞	47.97% 😞	Try splitting into smaller methods. Extract out complex expressions
drf_user/views.py	LoginView.post	0 ⭐	93 🙂	13 😞	64.78% 🙂	Extract out complex expressions
tests/test_views.py	TestOTPLoginView.setUp	0 ⭐	138 😞	7 🙂	70.85% 🙂	Try splitting into smaller methods

Legend and Explanation

The emojis denote the absolute quality of the code:

• ⭐ excellent
• 🙂 good
• 😞 poor
• ⛔ very poor

The 👍 and 👎 indicate whether the quality has improved or gotten worse with this pull request.

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Please see our documentation here for details on how these metrics are calculated.

We are actively working on this report - lots more documentation and extra metrics to come!

Help us improve this quality report!

[codecov]

Codecov Report

Merging #138 (bd767ef) into master (a8cbc5e) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #138   +/-   ##
=======================================
  Coverage   95.73%   95.73%           
=======================================
  Files          20       20           
  Lines         656      657    +1     
=======================================
+ Hits          628      629    +1     
  Misses         28       28           

Impacted Files	Coverage Δ
drf_user/views.py	97.87% <100.00%> (+0.01%)	⬆️

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