python - I keep getting the following error in django: "UnboundLocalError at /myapp/" -

i facing error in django python:

"unboundlocalerror @ /myapp/" local variable 'album' referenced before assignment

i created class in models.py file , import in views facing error

here complete code of both files:

models.py

from django.db import models  django.db import models  class album(models.model):     artist = models.charfield(max_length=250)     title = models.charfield(max_length=500)     gender = models.charfield(max_length=100)      def __str__(self):         return self.artist+'--'+self.title 

views.py

from django.http import httpresponse .models import album  def myapp(request):    all_albums = album.objects.all()    title = album.artist    html = ''    album in all_albums:       url = '/myapp/' + str(album.id) + '/'       html += '<a href="' + url + '">' + title + '</a><br>'    return httpresponse(html) 

copy totally , paste in view

from django.http import httpresponse .models import album  def myapp(request):    all_albums = album.objects.all()    html = ''    al in all_albums:       url = '/myapp/' + str(al.id) + '/'       html += '<a href="' + url + '">' + al.artist + '</a><br>'    return httpresponse(html)