acme-copy-certs: parenthèse mal placée dans ServicesManager

acme-copy-certs/app/service_manager.py

@@ -120,7 +120,7 @@ class ServicesManager:
             host = service.host
             self.services_by_host[host].remove(service)
             del self.services_by_id[id]
-            if len(self.services_by_host[host] == 0):
+            if len(self.services_by_host[host]) == 0:
                 del self.services_by_host[host]
                 self.updater.remove(host)