fix wget install

[indrisepos]

wget argument: -o => -O

[codecov[bot]]

Codecov Report

Merging #48 into master will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #48   +/-   ##
=========================================
  Coverage     36.41%   36.41%           
  Complexity      275      275           
=========================================
  Files            53       53           
  Lines           769      769           
=========================================
  Hits            280      280           
  Misses          489      489           

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[renatocassino]

Thanks for this