diff --git a/aleksis/apps/kort/models/__init__.py b/aleksis/apps/kort/models/__init__.py
index 2b442b8fa4148394169bb10564d114458eeea17f..4d0f4f50143fb8d34146f7501b225e52452da6c5 100644
--- a/aleksis/apps/kort/models/__init__.py
+++ b/aleksis/apps/kort/models/__init__.py
@@ -1,2 +1,2 @@
-from .cards import *
-from .sdm import *
+from .cards import *  # noqa
+from .sdm import *  # noqa
diff --git a/aleksis/apps/kort/models/sdm.py b/aleksis/apps/kort/models/sdm.py
index 240eaf501717d13d79b9c21c57f4032edfef45e8..803f9caa175099489f4729c17e0fae50d3fac6ed 100644
--- a/aleksis/apps/kort/models/sdm.py
+++ b/aleksis/apps/kort/models/sdm.py
@@ -21,7 +21,13 @@ class NfcSdmAuthenticator(ObjectAuthenticator):
         file_read_key = get_site_preferences()["kort__sdm_file_read_key"]
         meta_read_key = get_site_preferences()["kort__sdm_meta_read_key"]
 
-        validator = ParamValidator(file_read_key, meta_read_key, param_picc_data="picc_data", param_cmac="cmac", param_cmac_input="picc_data")
+        validator = ParamValidator(
+            file_read_key,
+            meta_read_key,
+            param_picc_data="picc_data",
+            param_cmac="cmac",
+            param_cmac_input="picc_data",
+        )
         validator.parse_uri(request.build_absolute_uri())
 
         if validator.uid is None or validator.read_ctr is None or not validator.cmac_valid: