add option to check for required external modules

[coveralls]

Pull Request Test Coverage Report for Build 1944769914

• 15 of 20 (75.0%) changed or added relevant lines in 3 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.7%) to 87.798%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
redcap_bridge/server_interface.py	11	16	68.75%
<!--	Total:	15	20	75.0%	-->

Totals
Change from base Build 1778651776:	-0.7%
Covered Lines:	331
Relevant Lines:	377

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💛 - Coveralls

[pep8speaks]

Hello @JuliaSprenger! Thanks for updating this PR.

There are currently no PEP 8 issues detected in this Pull Request. Cheers! :beers:

Comment last updated at 2022-03-11 13:02:14 UTC