uscan had problems while searching for a new upstream version:
failed to parse XML: <dehs>
<errors>Malformed version line: version=5, only 'Version: X' is allowed when using version &gt;= 5</errors>
</dehs>
<package>python-wsproto</package>
<debian-uversion>1.3.2</debian-uversion>
<debian-mangled-uversion>1.3.2</debian-mangled-uversion>
<upstream-version>1.3.2</upstream-version>
<upstream-url>https://pypi.debian.net/wsproto/wsproto-1.3.2.tar.gz</upstream-url>
<status>up to date</status>
<warnings>debian/watch version number is unrecognised</warnings>
</dehs>
</dehs>