Fix #92 (Sourcery refactored)

[sourcery-ai]

Pull Request #93 refactored by Sourcery.

Since the original Pull Request was opened as a fork in a contributor's
repository, we are unable to create a Pull Request branching from it.

To incorporate these changes, you can either:

1. Merge this Pull Request instead of the original, or

2. Ask your contributor to locally incorporate these commits and push them to
   the original Pull Request

   Incorporate changes via command line

   git fetch https://github.com/iterative/shtab pull/93/head
   git merge --ff-only FETCH_HEAD
   git push

NOTE: As code is pushed to the original Pull Request, Sourcery will
re-run and update (force-push) this Pull Request with new refactorings as
necessary. If Sourcery finds no refactorings at any point, this Pull Request
will be closed automatically.

See our documentation here.

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[sourcery-ai]

Sourcery Code Quality Report

❌  Merging this PR will decrease code quality in the affected files by 0.66%.

Quality metrics	Before	After	Change
Complexity	28.85 😞	29.32 😞	0.47 👎
Method Length	100.54 🙂	102.17 🙂	1.63 👎
Working memory	3.61 ⭐	3.70 ⭐	0.09 👎
Quality	46.16% 😞	45.50% 😞	-0.66% 👎

Other metrics	Before	After	Change
Lines	1009	1030	21

Changed files	Quality Before	Quality After	Quality Change
shtab/init.py	25.93% 😞	25.34% 😞	-0.59% 👎
tests/test_shtab.py	76.78% ⭐	76.72% ⭐	-0.06% 👎

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

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
shtab/init.py	get_bash_commands	78 ⛔	590 ⛔		1.22% ⛔	Refactor to reduce nesting. Try splitting into smaller methods
shtab/init.py	complete_zsh	64 ⛔	960 ⛔		2.11% ⛔	Refactor to reduce nesting. Try splitting into smaller methods
shtab/init.py	complete_tcsh	53 ⛔	470 ⛔		4.99% ⛔	Refactor to reduce nesting. Try splitting into smaller methods
tests/test_shtab.py	test_add_argument_to_positional	1 ⭐	171 😞	9 🙂	61.90% 🙂	Try splitting into smaller methods
tests/test_shtab.py	test_subparser_aliases	1 ⭐	172 😞	8 🙂	64.02% 🙂	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.

---

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-commenter]

Codecov Report

Merging #94 (eb1116c) into master (4c0170c) will decrease coverage by 0.21%.
The diff coverage is 83.33%.

@@            Coverage Diff             @@
##           master      #94      +/-   ##
==========================================
- Coverage   91.04%   90.82%   -0.22%     
==========================================
  Files           3        3              
  Lines         335      338       +3     
==========================================
+ Hits          305      307       +2     
- Misses         30       31       +1     

Impacted Files	Coverage Δ
shtab/__init__.py	93.47% <83.33%> (-0.28%)	⬇️

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