Update version in setup.py

[jdebacker]

Update version in setup.py to 2.7.0

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 83.13%. Comparing base (2892197) to head (2e945e3).

Files	Patch %	Lines
setup.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #200   +/-   ##
=======================================
  Coverage   83.13%   83.13%           
=======================================
  Files          23       23           
  Lines        1844     1844           
=======================================
  Hits         1533     1533           
  Misses        311      311           

Flag	Coverage Δ
unittests	83.13% <0.00%> (ø)

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