import version from __init.py__

[epooda]

I see the comment "# TODO somehow import version from _init_.py" in the connection.py.
Since A import B and B import A will cause cycle import, _init_.py has imported sth from conncetion, so I import version in the function inner to avoid the problem.

[codecov]

Codecov Report

Merging #388 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #388   +/-   ##
=======================================
  Coverage   92.28%   92.28%           
=======================================
  Files           9        9           
  Lines        1180     1180           
  Branches      172      172           
=======================================
  Hits         1089     1089           
  Misses         64       64           
  Partials       27       27

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[asvetlov]

Thanks!