added Coverage

[mikkokotila]

You want to make a PR to Talos

Thanks so much :) First, please take a moment to carefully check through the below items:

Sanity

• [x] I'm aware of the implications of the proposed changes
• [x] Code is PEP8
• [x] I'm making the PR to master

Docs

• [x] Docs are updated
• [x] Docs version is correct (index.html and _coverpage.md)

Tests

• [x] Changes have gone through actual use testing
• [x] All local tests have passed (run ./test.sh in /talos)
• [x] Tests have been updated to reflect the changes

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[coveralls]

Pull Request Test Coverage Report for Build 640

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.1%) to 85.619%

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Files with Coverage Reduction	New Missed Lines	%
talos/model/network_shape.py	1	96.43%
<!--	Total:	1		-->

Totals
Change from base Build 636:	0.1%
Covered Lines:	1280
Relevant Lines:	1495

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💛 - Coveralls