Missing unitCvRef in cvParam with units cause crash #5
Description
Originally opened by @althonos on althonos/mzml2isa:
Blocks such as: (from tiny.msdata.mzML0.99.10.mzML)
<cvParam cvRef="MS" accession="MS:1000016" name="scan time" value="5.8905" unitAccession="MS:1000038" unitName="minute"/>cause crash, for a unitCvRef attribute is lacking. Proper format (according to the HUPO-PSO standard would be:
<cvParam cvRef="MS" accession="MS:1000016" name="scan time" value="5.8905" unitAccession="MS:1000038" unitName="minute", unitCvRef="MS"/>