class Packages(models.Model):
    id_pkg = models.IntegerField()
    title = models.CharField(max_length=300)
    url = models.CharField(max_length=100)
    folder = models.CharField(max_length=100)
    install_date = models.DateTimeField(default=datetime.datetime.now())

pkg = Packages.objects.get(id=id)
return render_to_response(str(pkg.url), {'pkg':pkg})

UnicodeEncodeError at /kurs/10000004/

('ascii', u'df3/\ufeffindex.html', 4, 5, 'ordinal not in range(128)')

Request Method: 	GET
Request URL: 	http://localhost:8000/kurs/10000004/
Exception Type: 	UnicodeEncodeError
Exception Value: 	

('ascii', u'df3/\ufeffindex.html', 4, 5, 'ordinal not in range(128)')

f = open('%s/%s/pack.txt' % (self._into, namepks[i]), 'r')
                for line in f.readlines():
                    lff.append(line.replace('\n',''))
                f.close()