[patch] Replace numpy with math

[liamhuber]

In the output parser test.

It's just to check that function calls are getting parsed OK into keys, so why use a dependency when anything from the standard library is just as good.

[github-actions[bot]]

:point_left: Launch a binder notebook on branch _pyiron/pyiron_workflow/no_numpy_intests

[codacy-production[bot]]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
:white_check_mark: +0.01% (target: -1.00%)	:white_check_mark: ∅

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (ec1a8965e2c5d09d7c27c642f18eff00a5c7485b) | 3562 | 3167 | 88.91% | | | Head commit (d5cb3d66e94d976b54d77567deaf2977bd9494b7) | 3566 (+4) | 3171 (+4) | 88.92% (**+0.01%**) | **Coverage variation** is the difference between the coverage for the head and common ancestor commits of the pull request branch: ` - `

Diff coverage details

| | Coverable lines | Covered lines | Diff coverage | | ------------- | ------------- | ------------- | ------------- | | Pull request (#349) | 0 | 0 | **∅ (not applicable)** | **Diff coverage** is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: `/ * 100%`

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[coveralls]

Pull Request Test Coverage Report for Build 9408678015

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 88.923%

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Totals
Change from base Build 9408669931:	0.0%
Covered Lines:	3171
Relevant Lines:	3566

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💛 - Coveralls