Minor Fix

[vitorsubhi]

In requests package, text is not a method.

Instead of: content = r.text()
Uses: content = r.text

[codecov-io]

Codecov Report

Merging #20 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #20   +/-   ##
=======================================
  Coverage   98.71%   98.71%           
=======================================
  Files          14       14           
  Lines        1790     1790           
=======================================
  Hits         1767     1767           
  Misses         23       23

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[Galarzaa90]

Thanks!