fixed average, method invocation

[0xflotus]

No description provided.

[CLAassistant]

All committers have signed the CLA.

[codecov-io]

Codecov Report

Merging #191 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master    #191   +/-   ##
======================================
  Coverage    4.15%   4.15%           
======================================
  Files         190     190           
  Lines        9347    9347           
  Branches     1620    1620           
======================================
  Hits          388     388           
  Misses       8920    8920           
  Partials       39      39

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 378e854...bcb272a. Read the comment docs.

[ralf0131]

LGTM, thanks for the pull request!