Use test.support.gc_collect iso. gc.collect

Author: Erlend E. Aasland

Lib/sqlite3/test/dbapi.py

@@ -25,6 +25,7 @@
 import sqlite3 as sqlite
 import sys
 
+from test.support import gc_collect
 from test.support.os_helper import TESTFN, unlink
 
 
@@ -174,8 +175,7 @@ def test_in_transaction_ro(self):
 class OpenTests(unittest.TestCase):
     def tearDown(self):
         # bpo-42213: ensure that TESTFN is closed before unlinking
-        import gc
-        gc.collect()
+        gc_collect()
         unlink(TESTFN)
 
     def test_open_with_path_like_object(self):

Lib/sqlite3/test/hooks.py

@@ -23,6 +23,7 @@
 import unittest
 import sqlite3 as sqlite
 
+from test.support import gc_collect
 from test.support.os_helper import TESTFN, unlink
 
 
@@ -264,8 +265,7 @@ def trace(statement):
         # bpo-42213: ensure that TESTFN is closed before the cleanup runs
         con1.close()
         con2.close()
-        import gc
-        gc.collect()
+        gc_collect()
 
 
 def suite():