client.rb in google-cloud-pubsub-v1-0.5.0

- old
+ new

@@ -131,10 +131,10 @@
               enable_self_signed_jwt = @config.scope == Client.configure.scope &&
                                        @config.endpoint == Client.configure.endpoint &&
                                        !@config.endpoint.split(".").first.include?("-")
               credentials ||= Credentials.default scope: @config.scope,
                                                   enable_self_signed_jwt: enable_self_signed_jwt
-              if credentials.is_a?(String) || credentials.is_a?(Hash)
+              if credentials.is_a?(::String) || credentials.is_a?(::Hash)
                 credentials = Credentials.new credentials, scope: @config.scope
               end
               @quota_project_id = @config.quota_project
               @quota_project_id ||= credentials.quota_project_id if credentials.respond_to? :quota_project_id
 