# Blacklist vars that could interfere with portage internals.

			# Blacklist vars that could interfere with portage internals.

			for blacklisted in "CATEGORY", "PKGUSE", "PORTAGE_CONFIGROOT", \

			for blacklisted in "CATEGORY", "PKGUSE", "PORTAGE_CONFIGROOT", \

				for cfg in self.lookuplist:

				for cfg in self.lookuplist:

					cfg.pop(blacklisted, None)

					cfg.pop(blacklisted, None)

			del blacklisted, cfg

			del blacklisted, cfg