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Andrew Godwin  committed 805db51

Clean up some imports.

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  • Parent commits 2810177

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File south/tests/logic.py

 import unittest
 
-from collections import deque
 import datetime
-import sys
-import os
-import StringIO
 
 from south import exceptions
 from south.migration import migrate_app
-from south.migration.base import all_migrations, Migration, Migrations
+from south.migration.base import all_migrations, Migrations
 from south.creator.changes import ManualChanges
-from south.migration.utils import depends, dfs, flatten, get_app_label
+from south.migration.utils import depends, flatten, get_app_label
 from south.models import MigrationHistory
 from south.tests import Monkeypatcher
 from south.db import db