Django automatic Logout and and after login it stays on same page

I am new to Django and using Django 3.0.2. Sometimes Django automatically logout and when I try to log in on my website then it stays on the login page but creates a session(I mean, I can see all the buttons which a user will see after login in header and footer). I am not experiencing this issue when I am manually logging out and logging in.Please help if someone else is also experiencing the same issue. Thanks in advance. Please check my code below:

setting.py: 

LOGIN_REDIRECT_URL = 'index_login'

LOGIN_URL = 'login' 

urls.py: 

url(r'^login$',auth_views.LoginView.as_view(redirect_authenticated_user=True),name='login'), url(r'^index_login', views.index_login, name='index_login')

view.py:

@login_required
def index_login(request):
    # this view is created solely for the purpose of being able to log the login information through logToDb
    ut.logToDb(database, messages=['Successful login.'], user=request.user)
    ut.log_info('Successful login by ' + str(request.user) + '.')
    context = {'user': request.user}
    return render(request, 'mainapp/index.html', context)

index.html:

 {% extends 'mainapp/base.html' %} 

{% load static %} {% block content %}

 <h3>Databases</h3> <br/><br/> 

<div class="fluid-container">

 <div class="col-md-4"> <a class="btn btn-primary btn-block btn-vspace" type="button" href="plc/index">Inventory</a> </div>

 </div>

 <br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/><br/>

 {% endblock %}

I am facing this problem only if Django logout automatically. But if I logout and login then I am not having issue so It is really tricky for me to generate the exact scenario

Regards

Isha

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