workaround to non string array returned when requested list of files and...

workaround to non string array returned when requested list of files and SIMPLON API returns a null string instead of an empty list
4 jobs for 10-dectris-filewriter-bug-when-no-files-in-http-lidxxxeiger2dcu-data in 13 minutes and 52 seconds (queued for 15 seconds)
Status Name Job ID Coverage
  Build
passed build-linux #224761
linux

00:08:43

canceled build-linux #224727
linux

01:28:26

 
  Build Noarch
passed build-noarch #224728
conda

00:05:08

 
  Deploy
manual deploy-devel #224729
conda linux allowed to fail manual