fix: compatibility with thumbor.filters.fill

[fdintino]

fixes #12

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.74%. Comparing base (357ba2d) to head (37d8972).

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #24      +/-   ##
==========================================
+ Coverage   95.72%   95.74%   +0.01%     
==========================================
  Files          17       17              
  Lines         865      869       +4     
  Branches      179      180       +1     
==========================================
+ Hits          828      832       +4     
  Misses         29       29              
  Partials        8        8              

Files	Coverage Δ
src/thumbor_video_engine/engines/video.py	100.00% <100.00%> (ø)

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Unit Test Results

    6 files  ±0      6 suites  ±0   2m 48s ⏱️ +4s
  187 tests +1    187 ✅ +1   0 💤 ±0  0 ❌ ±0 
1 108 runs  +6  1 046 ✅ +6  62 💤 ±0  0 ❌ ±0 

Results for commit 37d8972. ± Comparison against base commit 357ba2d.

♻️ This comment has been updated with latest results.