Removed unused imports in dashboard/views.py

widget_group3/dashboard/views.py

 from django.shortcuts import render, redirect
 from django.views import View
 from django.views.generic.detail import DetailView
-from django.views.generic.list import ListView
-from django.views.generic.edit import UpdateView
-from django.shortcuts import get_object_or_404
 from django.views.generic.edit import CreateView, UpdateView
-from django.forms import formset_factory, BaseFormSet, HiddenInput, modelform_factory
 from django.http import HttpResponse
 
 from .models import WidgetUser