diff --git a/brian_polling_manager/interfaces.py b/brian_polling_manager/interfaces.py
index a665d641911f37bbe7e775d2bdfb0212850b89c9..b295dc7f0be907bfec1e5a3549c2295b81156c4d 100644
--- a/brian_polling_manager/interfaces.py
+++ b/brian_polling_manager/interfaces.py
@@ -53,7 +53,7 @@ class NetconfRouterCheck(sensu.AbstractCheck):
             hostname=self.router,
             config=self.ifc_check_params["config"],
             script=self.ifc_check_params["script"],
-            args=f'--juniper {self.router} --all' 
+            args=f"--juniper {self.router} --all",
         )
 
     @sensu.AbstractCheck.proxy_entity_name.getter