diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index d358fedda..c8ecad6d4 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -36,6 +36,7 @@ repos:
     hooks:
       - id: mypy
         additional_dependencies:
+          - dogpile.cache
           - keystoneauth1>=5.11.0
           - types-decorator
           - types-PyYAML
diff --git a/openstack/config/cloud_config.py b/openstack/config/cloud_config.py
index fdb4925b8..3c695a8f5 100644
--- a/openstack/config/cloud_config.py
+++ b/openstack/config/cloud_config.py
@@ -12,12 +12,84 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+import typing as ty
+import warnings
 # TODO(mordred) This is only here to ease the OSC transition
 
 from openstack.config import cloud_region
+from openstack import warnings as os_warnings
+
+if ty.TYPE_CHECKING:
+    from keystoneauth1 import discover
+    from keystoneauth1 import plugin
+    from keystoneauth1 import session as ks_session
+    import prometheus_client
+
+    from openstack.config import loader
 
 
 class CloudConfig(cloud_region.CloudRegion):
-    def __init__(self, name, region, config, **kwargs):
-        super().__init__(name, region, config, **kwargs)
+    def __init__(
+        self,
+        name: str | None,
+        region: str | None,
+        config: dict[str, ty.Any] | None,
+        force_ipv4: bool = False,
+        auth_plugin: ty.Optional['plugin.BaseAuthPlugin'] = None,
+        openstack_config: ty.Optional['loader.OpenStackConfig'] = None,
+        session_constructor: type['ks_session.Session'] | None = None,
+        app_name: str | None = None,
+        app_version: str | None = None,
+        session: ty.Optional['ks_session.Session'] = None,
+        discovery_cache: dict[str, 'discover.Discover'] | None = None,
+        extra_config: dict[str, ty.Any] | None = None,
+        cache_expiration_time: int = 0,
+        cache_expirations: dict[str, int] | None = None,
+        cache_path: str | None = None,
+        cache_class: str = 'dogpile.cache.null',
+        cache_arguments: dict[str, ty.Any] | None = None,
+        password_callback: cloud_region._PasswordCallback | None = None,
+        statsd_host: str | None = None,
+        statsd_port: str | None = None,
+        statsd_prefix: str | None = None,
+        # TODO(stephenfin): Add better types
+        influxdb_config: dict[str, ty.Any] | None = None,
+        collector_registry: ty.Optional[
+            'prometheus_client.CollectorRegistry'
+        ] = None,
+        cache_auth: bool = False,
+    ) -> None:
+        warnings.warn(
+            'The CloudConfig class has been deprecated in favour of '
+            'CloudRegion. Please update your references.',
+            os_warnings.RemovedInSDK60Warning,
+        )
+
         self.region = region
+
+        super().__init__(
+            name,
+            region,
+            config,
+            force_ipv4=force_ipv4,
+            auth_plugin=auth_plugin,
+            openstack_config=openstack_config,
+            session_constructor=session_constructor,
+            app_name=app_name,
+            app_version=app_version,
+            session=session,
+            discovery_cache=discovery_cache,
+            extra_config=extra_config,
+            cache_expiration_time=cache_expiration_time,
+            cache_expirations=cache_expirations,
+            cache_path=cache_path,
+            cache_class=cache_class,
+            cache_arguments=cache_arguments,
+            password_callback=password_callback,
+            statsd_host=statsd_host,
+            statsd_port=statsd_port,
+            statsd_prefix=statsd_prefix,
+            influxdb_config=influxdb_config,
+            collector_registry=collector_registry,
+            cache_auth=cache_auth,
+        )
diff --git a/openstack/proxy.py b/openstack/proxy.py
index b13786c6c..3c028aabd 100644
--- a/openstack/proxy.py
+++ b/openstack/proxy.py
@@ -222,6 +222,7 @@ class Proxy(adapter.Adapter):
 
         try:
             if conn.cache_enabled and not skip_cache and method == 'GET':
+                assert key is not None  # type narrow
                 # Get the object expiration time from config
                 # default to 0 to disable caching for this resource type
                 expiration_time = int(
diff --git a/openstack/tests/functional/base.py b/openstack/tests/functional/base.py
index f42f719ff..c2c0fdab8 100644
--- a/openstack/tests/functional/base.py
+++ b/openstack/tests/functional/base.py
@@ -245,7 +245,7 @@ class BaseFunctionalTest(base.TestCase):
             service_type=service_type, **kwargs
         )
 
-        if not (
+        if not data or not (
             data.min_microversion
             and data.max_microversion
             and discover.version_between(
diff --git a/pyproject.toml b/pyproject.toml
index e204658e9..7faf07ff8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,6 +35,7 @@ module = [
     "openstack.common.*",
     "openstack.config._util",
     "openstack.config.defaults",
+    "openstack.config.cloud_config",
     "openstack.config.cloud_region",
     "openstack.config.loader",
     "openstack.config.vendors",