diff --git a/src/yunohost/app.py b/src/yunohost/app.py
index 8d24e28c5..0013fcd82 100644
--- a/src/yunohost/app.py
+++ b/src/yunohost/app.py
@@ -58,7 +58,7 @@ from yunohost.utils.config import (
     ask_questions_and_parse_answers,
     Question,
     DomainQuestion,
-    PathQuestion
+    PathQuestion,
 )
 from yunohost.utils.i18n import _value_for_locale
 from yunohost.utils.error import YunohostError, YunohostValidationError
@@ -903,7 +903,11 @@ def app_install(
     # Retrieve arguments list for install script
     raw_questions = manifest.get("arguments", {}).get("install", {})
     questions = ask_questions_and_parse_answers(raw_questions, prefilled_answers=args)
-    args = {question.name: question.value for question in questions if question.value is not None}
+    args = {
+        question.name: question.value
+        for question in questions
+        if question.value is not None
+    }
 
     # Validate domain / path availability for webapps
     path_requirement = _guess_webapp_path_requirement(questions, extracted_app_folder)
@@ -1642,13 +1646,15 @@ def app_action_run(operation_logger, app, action, args=None):
     # Retrieve arguments list for install script
     raw_questions = actions[action].get("arguments", {})
     questions = ask_questions_and_parse_answers(raw_questions, prefilled_answers=args)
-    args = {question.name: question.value for question in questions if question.value is not None}
+    args = {
+        question.name: question.value
+        for question in questions
+        if question.value is not None
+    }
 
     tmp_workdir_for_app = _make_tmp_workdir_for_app(app=app)
 
-    env_dict = _make_environment_for_app_script(
-        app, args=args, args_prefix="ACTION_"
-    )
+    env_dict = _make_environment_for_app_script(app, args=args, args_prefix="ACTION_")
     env_dict["YNH_ACTION"] = action
     env_dict["YNH_APP_BASEDIR"] = tmp_workdir_for_app
 
@@ -2404,15 +2410,15 @@ def _guess_webapp_path_requirement(questions: List[Question], app_folder: str) -
 
         if re.search(
             r"\npath(_url)?=[\"']?/[\"']?", install_script_content
-        ) and re.search(
-            r"ynh_webpath_register", install_script_content
-        ):
+        ) and re.search(r"ynh_webpath_register", install_script_content):
             return "full_domain"
 
     return "?"
 
 
-def _validate_webpath_requirement(questions: List[Question], path_requirement: str) -> None:
+def _validate_webpath_requirement(
+    questions: List[Question], path_requirement: str
+) -> None:
 
     domain_questions = [question for question in questions if question.type == "domain"]
     path_questions = [question for question in questions if question.type == "path"]
diff --git a/src/yunohost/tests/test_app_config.py b/src/yunohost/tests/test_app_config.py
index 248f035f5..0eb813672 100644
--- a/src/yunohost/tests/test_app_config.py
+++ b/src/yunohost/tests/test_app_config.py
@@ -148,9 +148,9 @@ def test_app_config_regular_setting(config_app):
     assert app_config_get(config_app, "main.components.boolean") == "1"
     assert app_setting(config_app, "boolean") == "1"
 
-    with pytest.raises(YunohostValidationError), \
-         patch.object(os, "isatty", return_value=False), \
-         patch.object(Moulinette, "prompt", return_value="pwet"):
+    with pytest.raises(YunohostValidationError), patch.object(
+        os, "isatty", return_value=False
+    ), patch.object(Moulinette, "prompt", return_value="pwet"):
         app_config_set(config_app, "main.components.boolean", "pwet")
 
 
diff --git a/src/yunohost/tests/test_questions.py b/src/yunohost/tests/test_questions.py
index 99b5339ca..cf4e67733 100644
--- a/src/yunohost/tests/test_questions.py
+++ b/src/yunohost/tests/test_questions.py
@@ -14,7 +14,7 @@ from yunohost.utils.config import (
     DomainQuestion,
     PathQuestion,
     BooleanQuestion,
-    FileQuestion
+    FileQuestion,
 )
 from yunohost.utils.error import YunohostError, YunohostValidationError
 
@@ -94,7 +94,6 @@ def test_question_string_default_type():
     assert out.value == "some_value"
 
 
-
 def test_question_string_no_input():
     questions = [
         {
@@ -486,12 +485,7 @@ def test_question_password_no_input_optional():
     assert out.value == ""
 
     questions = [
-        {
-            "name": "some_password",
-            "type": "password",
-            "optional": True,
-            "default": ""
-        }
+        {"name": "some_password", "type": "password", "optional": True, "default": ""}
     ]
 
     with patch.object(os, "isatty", return_value=False):
@@ -1725,6 +1719,7 @@ def test_question_number_input():
     assert out.type == "number"
     assert out.value == 0
 
+
 def test_question_number_input_no_ask():
     questions = [
         {
@@ -1933,13 +1928,7 @@ def test_question_number_input_test_ask_with_help():
 
 
 def test_question_display_text():
-    questions = [
-            {
-                "name": "some_app",
-                "type": "display_text",
-                "ask": "foobar"
-            }
-    ]
+    questions = [{"name": "some_app", "type": "display_text", "ask": "foobar"}]
     answers = {}
 
     with patch.object(sys, "stdout", new_callable=StringIO) as stdout, patch.object(
diff --git a/src/yunohost/user.py b/src/yunohost/user.py
index 22168d3e7..7d89af443 100644
--- a/src/yunohost/user.py
+++ b/src/yunohost/user.py
@@ -420,7 +420,9 @@ def user_update(
         # without a specified value, change_password will be set to the const 0.
         # In this case we prompt for the new password.
         if Moulinette.interface.type == "cli" and not change_password:
-            change_password = Moulinette.prompt(m18n.n("ask_password"), is_password=True, confirm=True)
+            change_password = Moulinette.prompt(
+                m18n.n("ask_password"), is_password=True, confirm=True
+            )
         # Ensure sufficiently complex password
         assert_password_is_strong_enough("user", change_password)
 
diff --git a/src/yunohost/utils/config.py b/src/yunohost/utils/config.py
index 78fb52252..27a9e1533 100644
--- a/src/yunohost/utils/config.py
+++ b/src/yunohost/utils/config.py
@@ -102,7 +102,9 @@ class ConfigPanel:
                     )
                     # FIXME: semantics, technically here this is not about a prompt...
                     if question_class.hide_user_input_in_prompt:
-                        result[key]["value"] = "**************"  # Prevent displaying password in `config get`
+                        result[key][
+                            "value"
+                        ] = "**************"  # Prevent displaying password in `config get`
 
         if mode == "full":
             return self.config
@@ -269,9 +271,7 @@ class ConfigPanel:
 
             # Now fill the sublevels (+ apply filter_key)
             i = list(format_description).index(level)
-            sublevel = (
-                list(format_description)[i + 1] if level != "options" else None
-            )
+            sublevel = list(format_description)[i + 1] if level != "options" else None
             search_key = filter_key[i] if len(filter_key) > i else False
 
             for key, value in raw_infos.items():
@@ -385,11 +385,13 @@ class ConfigPanel:
 
             # Check and ask unanswered questions
             questions = ask_questions_and_parse_answers(section["options"], self.args)
-            self.new_values.update({
-                question.name: question.value
-                for question in questions
-                if question.value is not None
-            })
+            self.new_values.update(
+                {
+                    question.name: question.value
+                    for question in questions
+                    if question.value is not None
+                }
+            )
 
         self.errors = None
 
@@ -506,7 +508,7 @@ class Question(object):
             prefill=prefill,
             is_multiline=(self.type == "text"),
             autocomplete=self.choices,
-            help=_value_for_locale(self.help)
+            help=_value_for_locale(self.help),
         )
 
     def ask_if_needed(self):
@@ -574,12 +576,18 @@ class Question(object):
 
             # Prevent displaying a shitload of choices
             # (e.g. 100+ available users when choosing an app admin...)
-            choices = list(self.choices.values()) if isinstance(self.choices, dict) else self.choices
+            choices = (
+                list(self.choices.values())
+                if isinstance(self.choices, dict)
+                else self.choices
+            )
             choices_to_display = choices[:20]
             remaining_choices = len(choices[20:])
 
             if remaining_choices > 0:
-                choices_to_display += [m18n.n("other_available_options", n=remaining_choices)]
+                choices_to_display += [
+                    m18n.n("other_available_options", n=remaining_choices)
+                ]
 
             choices_to_display = " | ".join(choices_to_display)
 
@@ -744,7 +752,7 @@ class PathQuestion(Question):
                 raise YunohostValidationError(
                     "app_argument_invalid",
                     name=option.get("name"),
-                    error="Question is mandatory"
+                    error="Question is mandatory",
                 )
 
         return "/" + value.strip().strip(" /")
@@ -794,8 +802,12 @@ class BooleanQuestion(Question):
         no_answers = BooleanQuestion.no_answers
         yes_answers = BooleanQuestion.yes_answers
 
-        assert str(technical_yes).lower() not in no_answers, f"'yes' value can't be in {no_answers}"
-        assert str(technical_no).lower() not in yes_answers, f"'no' value can't be in {yes_answers}"
+        assert (
+            str(technical_yes).lower() not in no_answers
+        ), f"'yes' value can't be in {no_answers}"
+        assert (
+            str(technical_no).lower() not in yes_answers
+        ), f"'no' value can't be in {yes_answers}"
 
         no_answers += [str(technical_no).lower()]
         yes_answers += [str(technical_yes).lower()]
@@ -851,9 +863,9 @@ class DomainQuestion(Question):
     @staticmethod
     def normalize(value, option={}):
         if value.startswith("https://"):
-            value = value[len("https://"):]
+            value = value[len("https://") :]
         elif value.startswith("http://"):
-            value = value[len("http://"):]
+            value = value[len("http://") :]
 
         # Remove trailing slashes
         value = value.rstrip("/").lower()
@@ -915,7 +927,7 @@ class NumberQuestion(Question):
         raise YunohostValidationError(
             "app_argument_invalid",
             name=option.get("name"),
-            error=m18n.n("invalid_number")
+            error=m18n.n("invalid_number"),
         )
 
     def _prevalidate(self):
@@ -1044,7 +1056,9 @@ ARGUMENTS_TYPE_PARSERS = {
 }
 
 
-def ask_questions_and_parse_answers(questions: Dict, prefilled_answers: Union[str, Mapping[str, Any]] = {}) -> List[Question]:
+def ask_questions_and_parse_answers(
+    questions: Dict, prefilled_answers: Union[str, Mapping[str, Any]] = {}
+) -> List[Question]:
     """Parse arguments store in either manifest.json or actions.json or from a
     config panel against the user answers when they are present.
 
@@ -1062,7 +1076,9 @@ def ask_questions_and_parse_answers(questions: Dict, prefilled_answers: Union[st
         # whereas parse.qs return list of values (which is useful for tags, etc)
         # For now, let's not migrate this piece of code to parse_qs
         # Because Aleks believes some bits of the app CI rely on overriding values (e.g. foo=foo&...&foo=bar)
-        prefilled_answers = dict(urllib.parse.parse_qsl(prefilled_answers or "", keep_blank_values=True))
+        prefilled_answers = dict(
+            urllib.parse.parse_qsl(prefilled_answers or "", keep_blank_values=True)
+        )
 
     if not prefilled_answers:
         prefilled_answers = {}