TypeError: r is not a constructor

[oofaustoo]

Testing.vue:

<template>
  <iscroll-view class="scroll-view">
    Your contents
  </iscroll-view>
</template>

<script>
import Vue from 'vue'
import IScrollView from 'vue-iscroll-view'
import IScroll from 'iscroll'

Vue.use(IScrollView, IScroll)
</script>

<style>
.scroll-view {
  /* -- Attention: This line is extremely important in chrome 55+! -- */
  touch-action: none;
  /* -- Attention-- */
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  overflow: hidden;
}
</style>

Getting the following error:

[Vue warn]: Error in nextTick: "TypeError: r is not a constructor"

found in

---> <IscrollView>
       <Testing> at src/renderer/components/Testing.vue
         <TestingVueIscrollView> at src/renderer/App.vue
           <Root>
warn @ vue.esm.js?efeb:591
logError @ vue.esm.js?efeb:1737
globalHandleError @ vue.esm.js?efeb:1732
handleError @ vue.esm.js?efeb:1721
(anonymous) @ vue.esm.js?efeb:1839
flushCallbacks @ vue.esm.js?efeb:1758
vue.esm.js?efeb:1741 TypeError: r is not a constructor
    at VueComponent.<anonymous> (/opt/projects/testvueiscrollview/node_modules/vue-iscroll-view/index.js:1)
    at Array.eval (vue.esm.js?efeb:1837)
    at flushCallbacks (vue.esm.js?efeb:1758)
    at <anonymous>
logError @ vue.esm.js?efeb:1741
globalHandleError @ vue.esm.js?efeb:1732
handleError @ vue.esm.js?efeb:1721
(anonymous) @ vue.esm.js?efeb:1839
flushCallbacks @ vue.esm.js?efeb:1758

TypeError: r is not a constructor
    at VueComponent.<anonymous> (/opt/projects/testvueiscrollview/node_modules/vue-iscroll-view/index.js:1)
    at Array.eval (vue.esm.js?efeb:1837)
    at flushCallbacks (vue.esm.js?efeb:1758)
    at <anonymous>
logError @ vue.esm.js?efeb:1741
globalHandleError @ vue.esm.js?efeb:1732
handleError @ vue.esm.js?efeb:1721
(anonymous) @ vue.esm.js?efeb:1839
flushCallbacks @ vue.esm.js?efeb:1758

[superrunlong]

环境问题，把node_modules删除掉重新下载