qapi/parser.py: assert member.info is present in connect_member

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240315152301.3621858-21-armbru@redhat.com>

scripts/qapi/parser.py

@@ -707,6 +707,7 @@ def append_line(self, line: str) -> None:
 
     def connect_member(self, member: 'QAPISchemaMember') -> None:
         if member.name not in self.args:
+            assert member.info
             if self.symbol not in member.info.pragma.documentation_exceptions:
                 raise QAPISemError(member.info,
                                    "%s '%s' lacks documentation"