Merge pull request #1483 from mtaran-google/patch-2

add another missing import of `fail`

Author: mweststrate

src/api/flow.ts

@@ -1,5 +1,5 @@
 import { action } from "./action"
-import { noop } from "../utils/utils"
+import { fail, noop } from "../utils/utils"
 
 let generatorId = 0