FIX: Change in *svgutils*' API on 0.3.2 breaks reportlets

[oesteban]

A temporary solution to the svgutils problem. With 0.3.3 we will need to revise this again #595 (comment).

Resolves: #595 .

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@b631029). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #599   +/-   ##
=========================================
  Coverage          ?   46.44%           
=========================================
  Files             ?       44           
  Lines             ?     5352           
  Branches          ?      781           
=========================================
  Hits              ?     2486           
  Misses            ?     2782           
  Partials          ?       84           

Flag	Coverage Δ
documentation	0.00% <0.00%> (?)
reportlettests	100.00% <0.00%> (?)
unittests	46.64% <0.00%> (?)

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