diff --git a/chipsec/hal/common/vmm.py b/chipsec/hal/common/vmm.py
index 09b9bcff3c..a09bc0cbf9 100644
--- a/chipsec/hal/common/vmm.py
+++ b/chipsec/hal/common/vmm.py
@@ -156,4 +156,5 @@ def dump_device(self) -> None:
             else:
                 self.cs.hals.Io.dump_IO(bar, size, 4)
 
-haldata = {"arch":['FFFF'], 'name': ['Vmm']}
+
+haldata = {"arch": ['FFFF'], 'name': ['Vmm']}
diff --git a/chipsec/utilcmd/vmm_cmd.py b/chipsec/utilcmd/vmm_cmd.py
index a5d683f51d..7c95353067 100644
--- a/chipsec/utilcmd/vmm_cmd.py
+++ b/chipsec/utilcmd/vmm_cmd.py
@@ -72,9 +72,9 @@ def parse_arguments(self) -> None:
         parser_ept.set_defaults(func=self.vmm_pt)
 
         parser_virtio = subparsers.add_parser('is_virtio')
-        parser_virtio.add_argument('bus', type=lambda x: int(x,16), help='bus value (hex)')
-        parser_virtio.add_argument('dev', type=lambda x: int(x,16), help='device value (hex)')
-        parser_virtio.add_argument('fun', type=lambda x: int(x,16), help='function value (hex)')
+        parser_virtio.add_argument('bus', type=lambda x: int(x, 16), help='bus value (hex)')
+        parser_virtio.add_argument('dev', type=lambda x: int(x, 16), help='device value (hex)')
+        parser_virtio.add_argument('fun', type=lambda x: int(x, 16), help='function value (hex)')
         parser_virtio.set_defaults(func=self.vmm_virtio)
 
         parser_enumerate = subparsers.add_parser('virtio')