cleanup based on @aburgel comments

Author: Mark Unsworth

django_mongodb_engine/base.py

@@ -74,8 +74,6 @@ def sql_flush(self, style, tables, sequence_list, allow_cascade=False):
             options = collection.options()
 
             if not options.get('capped', False):
-
-                # TODO:Not backwards compatible
                 collection.remove({})
 
         return []

requirements.txt

@@ -1,5 +1,5 @@
 
-pymongo>=3.0
+pymongo>=2.8
 
 https://github.com/django-nonrel/djangotoolbox/tarball/master
 https://github.com/django-nonrel/django/tarball/nonrel-1.5

setup.py

@@ -18,7 +18,7 @@
     description=DESCRIPTION,
     long_description=LONG_DESCRIPTION,
 
-    install_requires=['pymongo>=3.0', 'djangotoolbox>=1.6.0'],
+    install_requires=['pymongo>=2.8', 'djangotoolbox>=1.6.0'],
 
     packages=find_packages(exclude=['tests', 'tests.*']),
     zip_safe=False,

tests/lookup/tests.py

@@ -2,7 +2,6 @@
 from operator import attrgetter
 
 from django.core.exceptions import FieldError
-from django.db import connection
 from django.db.utils import DatabaseError
 from django.test import TestCase, skipUnlessDBFeature
 
@@ -19,15 +18,6 @@ class LookupTests(TestCase):
 
     def setUp(self):
 
-        Author.objects.all().delete()
-        Article.objects.all().delete()
-        Tag.objects.all().delete()
-
-        # Create a few Authors.
-        Author.objects.all().delete()
-        Article.objects.all().delete()
-        Tag.objects.all().delete()
-
         self.au1 = Author(name='Author 1')
         self.au1.save()
         self.au2 = Author(name='Author 2')

tests/mongodb/tests.py

@@ -6,7 +6,6 @@
 from django.db import connection
 from django.db.utils import DatabaseError, IntegrityError
 from django.db.models import Q
-from encodings.big5 import codec
 from gridfs import GridOut
 from pymongo import ASCENDING, DESCENDING, ReadPreference, version_tuple as pymongo_version
 from django_mongodb_engine.base import DatabaseWrapper