docs: def convertMzml(mzmlPath, outputDirectory=None):
      """Imports an mzml file and converts it to a MsrunContainer file
  
      :param mzmlPath: path of the mzml file
      :param outputDirectory: directory where the MsrunContainer file should be written
      if it is not specified, the output directory is set to the mzml files directory.
      """
      outputDirectory = outputDirectory if outputDirectory is not None else os.path.dirname(mzmlPath)
      msrunContainer = importMzml(mzmlPath)
      msrunContainer.setPath(outputDirectory)
      msrunContainer.save()