Fixed #27818 -- Replaced try/except/pass with contextlib.suppress().

tests/postgres_tests/test_ranges.py

@@ -1,5 +1,6 @@
 import datetime
 import json
+from contextlib import suppress
 
 from django import forms
 from django.core import exceptions, serializers
@@ -10,14 +11,12 @@ from django.utils import timezone
 from . import PostgreSQLTestCase
 from .models import RangeLookupsModel, RangesModel
 
-try:
+with suppress(ImportError):
     from psycopg2.extras import DateRange, DateTimeTZRange, NumericRange
     from django.contrib.postgres import fields as pg_fields, forms as pg_forms
     from django.contrib.postgres.validators import (
         RangeMaxValueValidator, RangeMinValueValidator,
     )
-except ImportError:
-    pass
 
 
 class TestSaveLoad(PostgreSQLTestCase):