linter fixes

Author: rstevens011

src/aws_secretsmanager_caching/cache/items.py

@@ -11,6 +11,7 @@
 # ANY KIND, either express or implied. See the License for the specific
 # language governing permissions and limitations under the License.
 """Secret cache items"""
+# pylint: disable=super-with-arguments
 
 import threading
 from abc import ABCMeta, abstractmethod

src/aws_secretsmanager_caching/decorators.py

@@ -85,15 +85,15 @@ def __call__(self, func):
         try:
             secret = json.loads(self.cache.get_secret_string(secret_id=self.secret_id))
         except json.decoder.JSONDecodeError:
-            raise RuntimeError('Cached secret is not valid JSON')
+            raise RuntimeError('Cached secret is not valid JSON') from None
 
         resolved_kwargs = dict()
         for orig_kwarg in self.kwarg_map:
             secret_key = self.kwarg_map[orig_kwarg]
             try:
                 resolved_kwargs[orig_kwarg] = secret[secret_key]
             except KeyError:
-                raise RuntimeError('Cached secret does not contain key {0}'.format(secret_key))
+                raise RuntimeError('Cached secret does not contain key {0}'.format(secret_key)) from None
 
         def _wrapped_func(*args, **kwargs):
             """