[DOC] build the rtd without warnings

[marcobarilari]

No description provided.

[codecov]

Codecov Report

Merging #138 (2333980) into doc (7257021) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              doc     #138   +/-   ##
=======================================
  Coverage   80.97%   80.97%           
=======================================
  Files          29       29           
  Lines         615      615           
=======================================
  Hits          498      498           
  Misses        117      117           

Flag	Coverage Δ
unittests	80.97% <ø> (ø)

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Impacted Files	Coverage Δ
src/convertSourceToRaw.m	0.00% <ø> (ø)
src/createFilename.m	95.89% <ø> (ø)
src/createJson.m	51.21% <ø> (ø)
src/gui/setDefaultResponses.m	100.00% <ø> (ø)
src/utils/returnNbColumns.m	100.00% <ø> (ø)

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