docs: def _GetUniqueFileShowNames(self, tvFileList):
      """
      Return a list containing all unique show names from tvfile.TVFile object
      list.
  
      Parameters
      ----------
        tvFileList : list
          List of tvfile.TVFile objects.
  
      Returns
      ----------
        set
          The set of show names from the tvfile.TVFile list.
      """
      showNameList = [tvFile.fileInfo.showName for tvFile in tvFileList]
      return(set(showNameList))