Add rules-requires-root.

debian/control

@@ -16,6 +16,7 @@ Build-Depends: debhelper-compat (= 13),
                python3-sphinx-rtd-theme <!nodoc>,
                python3-xlrd <!nocheck> <!nodoc>,
 Standards-Version: 4.6.0
+Rules-Requires-Root: no
 Vcs-Browser: https://salsa.debian.org/python-team/packages/python-agate-excel
 Vcs-Git: https://salsa.debian.org/python-team/packages/python-agate-excel.git
 Homepage: https://agate-excel.readthedocs.io/