Modify Sphinx conf file

docs/source/conf.py

@@ -15,7 +15,6 @@ import sys
 import django
 
 sys.path.insert(0, os.path.abspath("../../"))
-sys.path.insert(0, os.path.abspath("../../sage_validation/"))
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "sage_validation.settings")
 django.setup()