def buildFileList(input, output=None, ivmlist=None,
                wcskey=None, updatewcs=True, **workinplace):
    """
    Builds a file list which has undergone various instrument-specific
    checks for input to MultiDrizzle, including splitting STIS associations.
    """
    newfilelist, ivmlist, output, oldasndict, filelist = \
        buildFileListOrig(input=input, output=output, ivmlist=ivmlist,
                    wcskey=wcskey, updatewcs=updatewcs, **workinplace)
    return newfilelist, ivmlist, output, oldasndict
Builds a file list which has undergone various instrument-specific
    checks for input to MultiDrizzle, including splitting STIS associations.