Ignore empty playlists

[benoit74]

Fix #340

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Project coverage is 1.52%. Comparing base (0b9bed5) to head (b8f83e4).

Files with missing lines	Patch %	Lines
scraper/src/youtube2zim/scraper.py	0.00%	6 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##            main    #341      +/-   ##
========================================
- Coverage   1.52%   1.52%   -0.01%     
========================================
  Files         11      11              
  Lines       1112    1118       +6     
  Branches     166     168       +2     
========================================
  Hits          17      17              
- Misses      1095    1101       +6     

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[rgaudin]

OK, fixes the ticket. Is the case of only empty playlists (ie no videos at all) handled?

[benoit74]

Open #347 to answer your point, interesting 🤣