Fix pkg issue

[nmousavi]

VT is broken now with err:

Processing dependencies for gcp-variant-transforms==0.0.0
error: oauth2client 4.1.2 is installed but oauth2client<4.0.0,>=2.0.1 is required by set(['googledatastore'])

[coveralls]

Pull Request Test Coverage Report for Build 482

• 0 of 0 (NaN%) changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 90.329%

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Totals
Change from base Build 479:	0.0%
Covered Lines:	3428
Relevant Lines:	3795

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💛 - Coveralls

[nmousavi]

Closing since this will disappear if we use pip install --upgrade . Similar to Issue #71