Srcy suggestion1 (Sourcery refactored)

[sourcery-ai]

Pull Request #2 refactored by Sourcery.

If you're happy with these changes, merge this Pull Request using the Squash and merge strategy.

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.

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To manually merge these changes, make sure you're on the srcy-suggestion1 branch, then run:

git fetch origin sourcery/srcy-suggestion1
git merge --ff-only FETCH_HEAD
git reset HEAD^

[sourcery-ai]

Function Canvas.__str__.wider refactored with the following changes:

• Replace yield inside for loop with yield from (yield-from)

[sourcery-ai]

Sourcery Code Quality Report (beta)

✅  Merging this PR will increase code quality in the affected files by 0.02 out of 10.

Quality metrics	Before	After	Change
Complexity	2.55	2.41	-0.14 🔵
Method Length	45.72	45.45	-0.27 🔵
Quality	8.69	8.71	0.02 🔵

Other metrics	Before	After	Change
Lines	185	183	-2

Changed files	Quality Before	Quality After	Quality Change
problem/pixel/line_draw.py	8.69	8.71	0.02 🔵

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

File	Function	Complexity	Length	Overall	Recommendation
problem/pixel/line_draw.py	CanvasTest.test_canvas	1	176.58	6.36	Split out functionality

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!

Let us know what you think of it by mentioning @sourcery-ai in a comment.