appium-espresso-driver: Swipe throws an error java.lang.NullPointerException

ENV

Appium Beta 1.10.0-beta.0

With Wait POST http://localhost:4798/wd/hub/session/9932a90d-f9f6-4198-99a0-d3e1255330af/touch/perform

{
  "actions": [
    { "action": "press", "options": { "x": 540, "y": 1000 } },
    { "action": "wait", "options": { "ms": "500" } },
    { "action": "moveTo", "options": { "x": 540, "y": 700 } },
    { "action": "release", "options": {} }
  ],
  "sessionId": "9932a90d-f9f6-4198-99a0-d3e1255330af"
}

RETURN 500

{
    "status": 13,
    "value": {
        "message": "An unknown server-side error occurred while processing the command. Original error: java.lang.NullPointerException: Attempt to invoke virtual method 'float java.lang.Float.floatValue()' on a null object reference\n\tat io.appium.espressoserver.lib.helpers.w3c.models.Tick.calculateTickDuration(Tick.java:52)\n\tat io.appium.espressoserver.lib.helpers.w3c.models.ActionSequence.dispatch(ActionSequence.java:79)\n\tat io.appium.espressoserver.lib.helpers.w3c.models.Actions.perform(Actions.java:56)\n\tat io.appium.espressoserver.lib.handlers.TouchAction$1.run(TouchAction.java:30)\n\tat io.appium.espressoserver.lib.handlers.TouchAction$1.run(TouchAction.java:22)\n\tat io.appium.espressoserver.lib.viewaction.UiControllerPerformer.perform(UiControllerPerformer.java:43)\n\tat android.support.test.espresso.ViewInteraction$SingleExecutionViewAction.perform(ViewInteraction.java:356)\n\tat android.support.test.espresso.ViewInteraction.doPerform(ViewInteraction.java:241)\n\tat android.support.test.espresso.ViewInteraction.access$100(ViewInteraction.java:62)\n\tat android.support.test.espresso.ViewInteraction$1.call(ViewInteraction.java:149)\n\tat android.support.test.espresso.ViewInteraction$1.call(ViewInteraction.java:146)\n\tat java.util.concurrent.FutureTask.run(FutureTask.java:266)\n\tat android.os.Handler.handleCallback(Handler.java:873)\n\tat android.os.Handler.dispatchMessage(Handler.java:99)\n\tat android.os.Looper.loop(Looper.java:193)\n\tat android.app.ActivityThread.main(ActivityThread.java:6669)\n\tat java.lang.reflect.Method.invoke(Native Method)\n\tat com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)\n\tat com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)\n"
    },
    "sessionId": "9932a90d-f9f6-4198-99a0-d3e1255330af"
}

Without Wait POST http://localhost:4798/wd/hub/session/9932a90d-f9f6-4198-99a0-d3e1255330af/touch/perform

{
  "actions": [
    { "action": "press", "options": { "x": 540, "y": 1000 } },
    { "action": "moveTo", "options": { "x": 540, "y": 700 } },
    { "action": "release", "options": {} }
  ],
  "sessionId": "9932a90d-f9f6-4198-99a0-d3e1255330af"
}

RETURN 200

{
    "id": "a6c40812-ebd8-4c2f-b5c3-949994acb08c",
    "sessionId": "03350a1e-0199-4e74-aabd-f42d1c96f950",
    "status": 0,
    "value": null
}

But Without “Wait” I can’t perform swipe correctly. I was able to do it in previous version.