NullPointerException

[Aracoix]

java.lang.NullPointerException: Null is not a valid element at io.reactivex.internal.queue.SpscLinkedArrayQueue.offer(SpscLinkedArrayQueue.java:69) at io.reactivex.internal.operators.observable.ObservableObserveOn$ObserveOnObserver.onNext(ObservableObserveOn.java:117) at io.reactivex.internal.operators.observable.ObservableSubscribeOn$SubscribeOnObserver.onNext(ObservableSubscribeOn.java:58) at io.reactivex.subjects.ReplaySubject$UnboundedReplayBuffer.replay(ReplaySubject.java:770) at io.reactivex.subjects.ReplaySubject.onNext(ReplaySubject.java:352) at cn.hikyson.godeye.core.internal.ProduceableSubject.produce(ProduceableSubject.java:23) at cn.hikyson.godeye.core.internal.modules.network.Network.produce(Network.java:57) at cn.hikyson.godeye.core.GodEyeHelper.onNetworkEnd(GodEyeHelper.java:88) at cn.hikyson.android.godeye.okhttp.OkNetworkEventListener.callEnd(OkNetworkEventListener.java:176) at okhttp3.internal.connection.RealCall.callDone(RealCall.kt:364) at okhttp3.internal.connection.RealCall.noMoreExchanges$okhttp(RealCall.kt:325) at okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:212) at okhttp3.internal.connection.RealCall$AsyncCall.run(RealCall.kt:517) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) at java.lang.Thread.run(Thread.java:919)

[Kyson]

Check whether okhttp's response is null