1 files changed, 16 insertions, 14 deletions
diff --git a/django/db/backends/postgresql/features.py b/django/db/backends/postgresql/features.py
index 1ce73fb0a8..182c230c75 100644
--- a/django/db/backends/postgresql/features.py
+++ b/django/db/backends/postgresql/features.py
@@ -52,7 +52,7 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     supports_over_clause = True
     only_supports_unbounded_with_preceding_and_following = True
     supports_aggregate_filter_clause = True
-    supported_explain_formats = {'JSON', 'TEXT', 'XML', 'YAML'}
+    supported_explain_formats = {"JSON", "TEXT", "XML", "YAML"}
     validates_explain_options = False  # A query will error on invalid options.
     supports_deferrable_unique_constraints = True
     has_json_operators = True
@@ -60,14 +60,14 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     supports_update_conflicts = True
     supports_update_conflicts_with_target = True
     test_collations = {
-        'non_default': 'sv-x-icu',
-        'swedish_ci': 'sv-x-icu',
+        "non_default": "sv-x-icu",
+        "swedish_ci": "sv-x-icu",
     }
     test_now_utc_template = "STATEMENT_TIMESTAMP() AT TIME ZONE 'UTC'"
 
     django_test_skips = {
-        'opclasses are PostgreSQL only.': {
-            'indexes.tests.SchemaIndexesNotPostgreSQLTests.test_create_index_ignores_opclasses',
+        "opclasses are PostgreSQL only.": {
+            "indexes.tests.SchemaIndexesNotPostgreSQLTests.test_create_index_ignores_opclasses",
         },
     }
 
@@ -75,9 +75,9 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     def introspected_field_types(self):
         return {
             **super().introspected_field_types,
-            'PositiveBigIntegerField': 'BigIntegerField',
-            'PositiveIntegerField': 'IntegerField',
-            'PositiveSmallIntegerField': 'SmallIntegerField',
+            "PositiveBigIntegerField": "BigIntegerField",
+            "PositiveIntegerField": "IntegerField",
+            "PositiveSmallIntegerField": "SmallIntegerField",
         }
 
     @cached_property
@@ -96,9 +96,11 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     def is_postgresql_14(self):
         return self.connection.pg_version >= 140000
 
-    has_bit_xor = property(operator.attrgetter('is_postgresql_14'))
-    has_websearch_to_tsquery = property(operator.attrgetter('is_postgresql_11'))
-    supports_covering_indexes = property(operator.attrgetter('is_postgresql_11'))
-    supports_covering_gist_indexes = property(operator.attrgetter('is_postgresql_12'))
-    supports_covering_spgist_indexes = property(operator.attrgetter('is_postgresql_14'))
-    supports_non_deterministic_collations = property(operator.attrgetter('is_postgresql_12'))
+    has_bit_xor = property(operator.attrgetter("is_postgresql_14"))
+    has_websearch_to_tsquery = property(operator.attrgetter("is_postgresql_11"))
+    supports_covering_indexes = property(operator.attrgetter("is_postgresql_11"))
+    supports_covering_gist_indexes = property(operator.attrgetter("is_postgresql_12"))
+    supports_covering_spgist_indexes = property(operator.attrgetter("is_postgresql_14"))
+    supports_non_deterministic_collations = property(
+        operator.attrgetter("is_postgresql_12")
+    )