fixing pylint recommendations

three_d_viewer/admin.py

@@ -3,7 +3,7 @@ Configuration for the Django admin site
 """
 
 from django.contrib import admin
-from models import Category, Sample, Question, Answer
+from three_d_viewer.models import Category, Sample, Question, Answer
 
 admin.site.register(Category)
 admin.site.register(Sample)

three_d_viewer/ajax.py

@@ -5,7 +5,7 @@ Handle asynchronous calls from the web pages
 from django.utils import simplejson
 from dajaxice.decorators import dajaxice_register
 
-from models import Question
+from three_d_viewer.models import Question
 
 
 @dajaxice_register

three_d_viewer/tests.py

@@ -7,7 +7,6 @@ Replace this with more appropriate tests for your application.
 
 from django.test import TestCase
 from three_d_viewer.models import Category, Question, Answer
-from three_d_viewer.views import DetailView
 import ajax