1 files changed, 18 insertions, 0 deletions
diff --git a/tests/signals_regress/models.py b/tests/signals_regress/models.py
new file mode 100644
index 0000000000..829314c06c
--- /dev/null
+++ b/tests/signals_regress/models.py
@@ -0,0 +1,18 @@
+from django.db import models
+from django.utils.encoding import python_2_unicode_compatible
+
+
+@python_2_unicode_compatible
+class Author(models.Model):
+    name = models.CharField(max_length=20)
+
+    def __str__(self):
+        return self.name
+
+@python_2_unicode_compatible
+class Book(models.Model):
+    name = models.CharField(max_length=20)
+    authors = models.ManyToManyField(Author)
+
+    def __str__(self):
+        return self.name