remove last dot (which is RFC possiblity) the dnspython way. thank Bob Halley

src/common/connection.py

@@ -1584,10 +1584,9 @@ class Connection:
 						answers = [x for x in dns.resolver.query(query, 'SRV')]
 						if answers:
 							for a in answers:
-								target = str(a.target)
-								if target.endswith('.'):
+								target = dns.name.from_text(str(a.target))
 								# target is f.e. talk.google.com. remove last dot
-									target = target[:-1]
+								target = target.to_text(omit_final_dot = True)
 								hosts.append({'host': target,
 												'port': int(a.port),
 												'prio': int(a.priority),