1 files changed, 19 insertions, 9 deletions
diff --git a/tests/postgres_tests/fields.py b/tests/postgres_tests/fields.py
index 1c0cb05d46..2d62e26a92 100644
--- a/tests/postgres_tests/fields.py
+++ b/tests/postgres_tests/fields.py
@@ -8,31 +8,41 @@ from django.db import models
 
 try:
     from django.contrib.postgres.fields import (
-        ArrayField, BigIntegerRangeField, CICharField, CIEmailField,
-        CITextField, DateRangeField, DateTimeRangeField, DecimalRangeField,
-        HStoreField, IntegerRangeField,
+        ArrayField,
+        BigIntegerRangeField,
+        CICharField,
+        CIEmailField,
+        CITextField,
+        DateRangeField,
+        DateTimeRangeField,
+        DecimalRangeField,
+        HStoreField,
+        IntegerRangeField,
     )
     from django.contrib.postgres.search import SearchVector, SearchVectorField
 except ImportError:
+
     class DummyArrayField(models.Field):
         def __init__(self, base_field, size=None, **kwargs):
             super().__init__(**kwargs)
 
         def deconstruct(self):
             name, path, args, kwargs = super().deconstruct()
-            kwargs.update({
-                'base_field': '',
-                'size': 1,
-            })
+            kwargs.update(
+                {
+                    "base_field": "",
+                    "size": 1,
+                }
+            )
             return name, path, args, kwargs
 
     class DummyContinuousRangeField(models.Field):
-        def __init__(self, *args, default_bounds='[)', **kwargs):
+        def __init__(self, *args, default_bounds="[)", **kwargs):
             super().__init__(**kwargs)
 
         def deconstruct(self):
             name, path, args, kwargs = super().deconstruct()
-            kwargs['default_bounds'] = '[)'
+            kwargs["default_bounds"] = "[)"
             return name, path, args, kwargs
 
     ArrayField = DummyArrayField