diff --git a/tiramisu_cmdline_parser/__init__.py b/tiramisu_cmdline_parser/__init__.py
index d6da943..a243da6 100644
--- a/tiramisu_cmdline_parser/__init__.py
+++ b/tiramisu_cmdline_parser/__init__.py
@@ -23,4 +23,5 @@ except ImportError as err:
     TiramisuCmdlineParser = None
 
 from .__version__ import __version__
+
 __all__ = ("TiramisuCmdlineParser",)
diff --git a/tiramisu_cmdline_parser/__version__.py b/tiramisu_cmdline_parser/__version__.py
index acf74bc..ae80345 100644
--- a/tiramisu_cmdline_parser/__version__.py
+++ b/tiramisu_cmdline_parser/__version__.py
@@ -1,2 +1 @@
 __version__ = "0.7.0a0"
-
diff --git a/tiramisu_cmdline_parser/api.py b/tiramisu_cmdline_parser/api.py
index e80ef9d..523a060 100644
--- a/tiramisu_cmdline_parser/api.py
+++ b/tiramisu_cmdline_parser/api.py
@@ -255,16 +255,26 @@ class _BuildKwargs:
                 name, "longargument" in self.properties
             )
             if self.force_no:
-                ga_name = gen_argument_name(name, is_short_name, self.force_no, self.force_del)
-                ga_path = gen_argument_name(option.path(), is_short_name, self.force_no, self.force_del)
+                ga_name = gen_argument_name(
+                    name, is_short_name, self.force_no, self.force_del
+                )
+                ga_path = gen_argument_name(
+                    option.path(), is_short_name, self.force_no, self.force_del
+                )
                 self.cmdlineparser.namespace.list_force_no[ga_path] = option.path()
             elif self.force_del:
-                ga_name = gen_argument_name(name, is_short_name, self.force_no, self.force_del)
-                ga_path = gen_argument_name(option.path(), is_short_name, self.force_no, self.force_del)
+                ga_name = gen_argument_name(
+                    name, is_short_name, self.force_no, self.force_del
+                )
+                ga_path = gen_argument_name(
+                    option.path(), is_short_name, self.force_no, self.force_del
+                )
                 self.cmdlineparser.namespace.list_force_del[ga_path] = option.path()
             else:
                 ga_name = name
-            self.kwargs["dest"] = gen_argument_name(option.path(), False, self.force_no, self.force_del)
+            self.kwargs["dest"] = gen_argument_name(
+                option.path(), False, self.force_no, self.force_del
+            )
             argument = self.cmdlineparser._gen_argument(ga_name, is_short_name)
             self.cmdlineparser.namespace.arguments[option.path()] = argument
             self.args = [argument]
@@ -282,9 +292,13 @@ class _BuildKwargs:
             option.name(), "longargument" in self.properties
         )
         if self.force_no:
-            name = gen_argument_name(option.name(), is_short_name, self.force_no, self.force_del)
+            name = gen_argument_name(
+                option.name(), is_short_name, self.force_no, self.force_del
+            )
         elif self.force_del:
-            name = gen_argument_name(option.name(), is_short_name, self.force_no, self.force_del)
+            name = gen_argument_name(
+                option.name(), is_short_name, self.force_no, self.force_del
+            )
         else:
             name = option.name()
         argument = self.cmdlineparser._gen_argument(name, is_short_name)
@@ -453,7 +467,7 @@ class TiramisuCmdlineParser(ArgumentParser):
             elif (
                 self.add_extra_options
                 and obj.type() == "boolean"
-#                and not obj.issymlinkoption()
+                #                and not obj.issymlinkoption()
             ):
                 if not obj.isleader():
                     yield obj, False, None
@@ -478,7 +492,11 @@ class TiramisuCmdlineParser(ArgumentParser):
             # no follower found, search if there is a symlink
             for sobj in config.list(uncalculated=True):
                 try:
-                    if sobj.issymlinkoption() and sobj.index() is None and sobj.option().isleader():
+                    if (
+                        sobj.issymlinkoption()
+                        and sobj.index() is None
+                        and sobj.option().isleader()
+                    ):
                         yield sobj, None, None
                 except ConfigError:
                     pass
@@ -505,7 +523,9 @@ class TiramisuCmdlineParser(ArgumentParser):
                 else:
                     argument_name = option.option().name()
                 is_short_name = len(option.option().name()) == 1
-                symlink_name = gen_argument_name(argument_name, is_short_name, force_no, force_del)
+                symlink_name = gen_argument_name(
+                    argument_name, is_short_name, force_no, force_del
+                )
                 if symlink_name in options_is_not_default:
                     options_is_not_default[symlink_name]["name"] = name
                 if symlink_name in actions: