diff --git a/moulinette/actionsmap.py b/moulinette/actionsmap.py
index 107a0c2d..b465f33d 100644
--- a/moulinette/actionsmap.py
+++ b/moulinette/actionsmap.py
@@ -379,6 +379,7 @@ class ExtraArgumentParser(object):
 
 # Main class ----------------------------------------------------------
 
+
 class ActionsMap(object):
 
     """Validate and process actions defined into an actions map
diff --git a/moulinette/core.py b/moulinette/core.py
index 4950af35..3aa024ec 100644
--- a/moulinette/core.py
+++ b/moulinette/core.py
@@ -24,6 +24,7 @@ for key in env.keys():
 
 env["NAMESPACES"] = env["NAMESPACES"].split()
 
+
 def during_unittests_run():
     return "TESTS_RUN" in os.environ
 
diff --git a/moulinette/interfaces/cli.py b/moulinette/interfaces/cli.py
index f5f31db2..c75b8d60 100644
--- a/moulinette/interfaces/cli.py
+++ b/moulinette/interfaces/cli.py
@@ -31,6 +31,7 @@ from moulinette.utils import log
 # But it display instead:
 #       Error: unable to parse arguments 'firewall' because: sequence item 0: expected str instance, NoneType found
 
+
 def monkey_get_action_name(argument):
     if argument is None:
         return None
@@ -502,6 +503,7 @@ class Interface:
         if output_as:
             if output_as == "json":
                 import json
+
                 print(json.dumps(ret, cls=JSONExtendedEncoder))
             else:
                 plain_print_dict(ret)