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-rw-r--r--django/db/backends/mysql/introspection.py8
1 files changed, 6 insertions, 2 deletions
diff --git a/django/db/backends/mysql/introspection.py b/django/db/backends/mysql/introspection.py
index 3ff28cf673..dc78a00bfc 100644
--- a/django/db/backends/mysql/introspection.py
+++ b/django/db/backends/mysql/introspection.py
@@ -1,10 +1,14 @@
from collections import namedtuple
import re
-from .base import FIELD_TYPE
+
from django.utils.datastructures import OrderedSet
-from django.db.backends import BaseDatabaseIntrospection, FieldInfo, TableInfo
+from django.db.backends.base.introspection import (
+ BaseDatabaseIntrospection, FieldInfo, TableInfo,
+)
from django.utils.encoding import force_text
+from MySQLdb.constants import FIELD_TYPE
+
FieldInfo = namedtuple('FieldInfo', FieldInfo._fields + ('extra',))
foreign_key_re = re.compile(r"\sCONSTRAINT `[^`]*` FOREIGN KEY \(`([^`]*)`\) REFERENCES `([^`]*)` \(`([^`]*)`\)")