diff --git a/xmo/dmz.py b/xmo/dmz.py
index 2b6a7fa..125cce9 100644
--- a/xmo/dmz.py
+++ b/xmo/dmz.py
@@ -3,12 +3,14 @@ import re
 from sagemcom_api.client import SagemcomClient
 from . import xmo
 
+
 def _validate_mac_address(ctx: click.Context, param: click.Parameter, value: str) -> str:
     result = value.upper()
     if not re.match(r"([0-9A-F]{2}:){5}[0-9A-F]{2}$", result):
         raise click.BadParameter('Invalid MAC address', ctx, param)
     return result
 
+
 @xmo.cli.command()
 @click.option('-m', '--mac-address', callback=_validate_mac_address, prompt='MAC Address')
 @click.pass_obj
@@ -21,6 +23,7 @@ async def enable_advanced_dmz(client: SagemcomClient, mac_address: str) -> None:
         click.echo(e, err=True)
         raise click.Abort()
 
+
 @xmo.cli.command()
 @click.pass_context
 async def disable_advanced_dmz(ctx: click.Context):
diff --git a/xmo/dns.py b/xmo/dns.py
index 9434e46..33edf84 100644
--- a/xmo/dns.py
+++ b/xmo/dns.py
@@ -3,6 +3,7 @@ from ipaddress import IPv4Address
 from sagemcom_api.client import SagemcomClient
 from . import xmo
 
+
 @xmo.cli.command()
 @click.option('-s', '--dns-servers', required=True, nargs=2, type=IPv4Address)
 @click.pass_obj
diff --git a/xmo/wifi.py b/xmo/wifi.py
index ebd60e2..aa5bcde 100644
--- a/xmo/wifi.py
+++ b/xmo/wifi.py
@@ -2,6 +2,7 @@ import asyncclick as click
 from sagemcom_api.client import SagemcomClient
 from . import xmo
 
+
 @xmo.cli.command()
 @click.option('-r', '--radios', multiple=True)
 @click.pass_obj
diff --git a/xmo/xmo.py b/xmo/xmo.py
index 2243949..0916e81 100644
--- a/xmo/xmo.py
+++ b/xmo/xmo.py
@@ -63,7 +63,6 @@ async def get_value(ctx: click.Context, path: str) -> None:
             click.echo(json.dumps(value, indent=2))
 
 
-
 @cli.command()
 @click.option('--path', required=True)
 @click.option('--value', required=True)