Fix invalid maintainer sends mail every check time

		'''

		debug("Updating %s" % aurpkg.name)

		# for security, if the maintainer is incorrect we fail

		maintainer = pkgconfig.get("maintainer")

		debug("Configured maintainer: %s" % maintainer)

		debug("Configured maintainer: %s" % pkgconfig.get("maintainer"))

		debug("AUR maintainer: %s" % aurpkg.maintainer)

		debug("Last maintainer: %s" % localpkg.lastmaintainer)

		if maintainer != aurpkg.maintainer:

		# str is required to handle no maintainer as None string

		if pkgconfig.get("maintainer") != str(aurpkg.maintainer):

			# we notify by mail only once the maintainer is invalid

			if localpkg.lastmaintainer != aurpkg.maintainer:

			if localpkg.lastmaintainer != str(aurpkg.maintainer):

				self.send_maintainer_report(pkgconfig, localpkg, aurpkg)

				localpkg.lastmaintainer = aurpkg.maintainer

			error("Invalid maintainer for package %s" % aurpkg.name)