refactor: move the remaining backward.py code, no more backward.py

1 files changed, 2 insertions, 4 deletions

diff --git a/tests/mixins.py b/tests/mixins.py
index ff47a4da..44b16f6c 100644
--- a/tests/mixins.py
+++ b/tests/mixins.py
@@ -7,6 +7,7 @@ Test class mixins
 Some of these are transitional while working toward pure-pytest style.
 """
 
+import importlib
 import os
 import os.path
 import shutil
@@ -14,8 +15,6 @@ import sys
 
 import pytest
 
-from coverage.backward import importlib
-
 from tests.helpers import change_dir, make_file, remove_files
 
 
@@ -130,8 +129,7 @@ class SysPathModulesMixin:
         if os.path.exists("__pycache__"):
             shutil.rmtree("__pycache__")
 
-        if importlib and hasattr(importlib, "invalidate_caches"):
-            importlib.invalidate_caches()
+        importlib.invalidate_caches()
 
 
 class StdStreamCapturingMixin: