clean up dependencies

django_auth_lti/backends.py

@@ -2,8 +2,6 @@ from django.contrib.auth import get_user_model
 from django.contrib.auth.backends import ModelBackend
 from django.core.exceptions import PermissionDenied
 
-#from django.db.models import Q
-#from icommons_common.models import *
 from ims_lti_py.tool_provider import DjangoToolProvider
 from time import time
 import logging

setup.py

@@ -32,8 +32,8 @@ setup(
     ],
     install_requires = [
         "Django>=1.6",
-        "cx-Oracle==5.1.2",
-        "django-filter==0.5.4"
+        "django-filter==0.7",
+        "ims-lti-py==0.6",
     ],
     zip_safe = False,
 )