Cleanup deprecated functionality

Author: voyc-jean

cacheback/__init__.py

@@ -1,8 +1,5 @@
-try:
-    import importlib.metadata as importlib_metadata
-except ModuleNotFoundError:
-    # This is required for Python versions < 3.8
-    import importlib_metadata
+import importlib.metadata as importlib_metadata
+
 
 try:
     __version__ = importlib_metadata.version('django-cacheback')

tests/conftest.py

@@ -36,7 +36,7 @@ def cleared_cache(request):
     cache.clear()
 
 
-@pytest.yield_fixture
+@pytest.fixture()
 def rq_worker(request):
     [queue.empty() for queue in django_rq.get_worker().queues]
 
@@ -47,7 +47,7 @@ def rq_worker(request):
     [queue.empty() for queue in django_rq.get_worker().queues]
 
 
-@pytest.yield_fixture
+@pytest.fixture()
 def rq_burst(request, rq_worker):
     def burst():
         rq_worker.work(burst=True)