No IntelliSense when import a new created django app.

Environment

Steps to Reproduce
1.Create Blank Django Web Project
2.Create virtual environment
3.Right-click BasicProject in SE, select Add > New item > Django 1.9 App, specify the app name "HelloDjango" in the Name field and select OK
4.In the HelloDjango folder, modify views.py to match the code below, which defines a view named "index"

from django.shortcuts import render 
from django.http import HttpResponse 

# Create your views here. 
def index(request): 
    return HttpResponse("Hello, Django!") 

5.In the BasicProject folder, modify urls.py like below:

from django.urls import include, re_path 
import HelloDjango.views 

urlpatterns = [ 
    re_path(r'^$', HelloDjango.views.index, name='index'), 
    re_path(r'^home$', HelloDjango.views.index, name='home'), 
] 

Expected behavior
I can get IntelliSense

Actual behavior
I can not get 'HelloDjango' IntelliSense