from gavo import api

class HeaderFixer(api.ImmediateHeaderProcessor):
  def _isProcessed(self, srcName, hdr):
    return hdr.get("CUNIT1", "")=="nm"

  def _changeHeader(self, srcName, hdr):
		hdr["CUNIT1"] = "nm"


if __name__=="__main__":
    api.procmain(HeaderFixer, "mlqso/q", "import_cubes")
    api.procmain(HeaderFixer, "mlqso/q", "import_qso")