fix exeption name spelling (#499)
fix exeption name spelling (#499)


kalxas/pycsw,geopython/pycsw,geopython/pycsw,tomkralidis/pycsw,tomkralidis/pycsw,bukun/pycsw,bukun/pycsw,ricardogsilva/pycsw,kalxas/pycsw,ricardogsilva/pycsw,ricardogsilva/pycsw,tomkralidis/pycsw,bukun/pycsw,kalxas/pycsw,geopython/pycsw