Emu pk

[matteozennaro]

Enable passing linear and nonlinear pk emulators to the cosmology class (baccoemu and euclid emulator 2 implemented for now, generic emulator class introduced extendable to other emulators). Added baccoemu baryonic effect emulator to baryons class.

[damonge]

@matteozennaro flake8 is failing (from experience, best run this on your machine before pushing). Do flake8 pyccl/ and flake8 benchmarks/ and solve all the issues that pop up.

[damonge]

The tests are failing because they can't import baccoemu. Try getting it to install by adding it here: https://github.com/LSSTDESC/CCL/blob/master/.github/environment.yml

[coveralls]

Pull Request Test Coverage Report for Build 5510615878

• 197 of 200 (98.5%) changed or added relevant lines in 8 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.04%) to 97.578%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pyccl/baryons/baccoemu_baryons.py	64	65	98.46%
pyccl/emulators/baccoemu_linear_pk.py	53	54	98.15%
pyccl/emulators/baccoemu_nonlinear_pk.py	48	49	97.96%
<!--	Total:	197	200	98.5%	-->

Totals
Change from base Build 5199196746:	0.04%
Covered Lines:	5318
Relevant Lines:	5450

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💛 - Coveralls

[hsinfan1996]

May be related https://github.com/lesgourg/class_public/issues/416