diff --git a/tools/idf_py_actions/diag_ext.py b/tools/idf_py_actions/diag_ext.py
index 0b472311a3..8950d04fef 100644
--- a/tools/idf_py_actions/diag_ext.py
+++ b/tools/idf_py_actions/diag_ext.py
@@ -8,27 +8,29 @@ from typing import Optional
 from typing import Tuple
 
 import click
+
 from idf_py_actions.tools import PropertyDict
 from idf_py_actions.tools import RunTool
 from idf_py_actions.tools import yellow_print
 
 
-def diag(action: str,
-         ctx: click.core.Context,
-         args: PropertyDict,
-         debug: bool,
-         log_prefix: bool,
-         force: bool,
-         no_color: bool,
-         zip_directory: Optional[str],
-         list_recipes: bool,
-         check_recipes: bool,
-         cmdl_recipes: Tuple,
-         cmdl_tags: Tuple,
-         purge_file: Optional[str],
-         append: bool,
-         output: Optional[str]) -> None:
-
+def diag(
+    action: str,
+    ctx: click.core.Context,
+    args: PropertyDict,
+    debug: bool,
+    log_prefix: bool,
+    force: bool,
+    no_color: bool,
+    zip_directory: Optional[str],
+    list_recipes: bool,
+    check_recipes: bool,
+    cmdl_recipes: Tuple,
+    cmdl_tags: Tuple,
+    purge_file: Optional[str],
+    append: bool,
+    output: Optional[str],
+) -> None:
     diag_args: list = [sys.executable, '-m', 'esp_idf_diag']
 
     def add_common_arguments(diag_args: list) -> None:
@@ -103,10 +105,14 @@ def diag(action: str,
         if args.port:
             diag_args += ['--port', args.port]
         else:
-            yellow_print( ( 'The target serial port is not specified, so '
-                            'autodetection will be used. To set it manually, use '
-                            'the "--port" option. Example: "idf.py --port '
-                            '/dev/ttyUSB0 diag".'))
+            yellow_print(
+                (
+                    'The target serial port is not specified, so '
+                    'autodetection will be used. To set it manually, use '
+                    'the "--port" option. Example: "idf.py --port '
+                    '/dev/ttyUSB0 diag".'
+                )
+            )
 
     try:
         RunTool('idf_diag', diag_args, args.project_dir, hints=not args.no_hints)()
@@ -168,24 +174,30 @@ def action_extensions(base_actions: Dict, project_path: str) -> Any:
                         'multiple': True,
                         'metavar': 'RECIPE',
                         'type': str,
-                        'help': ('Recipe to use. This option can be specified multiple times. '
-                                 'By default, all built-in recipes are used. RECIPE refers to '
-                                 'the recipe file path or the file name stem for built-in recipes.'),
+                        'help': (
+                            'Recipe to use. This option can be specified multiple times. '
+                            'By default, all built-in recipes are used. RECIPE refers to '
+                            'the recipe file path or the file name stem for built-in recipes.'
+                        ),
                     },
                     {
                         'names': ['-t', '--tag', 'cmdl_tags'],
                         'multiple': True,
                         'metavar': 'TAG',
                         'type': str,
-                        'help': ('Consider only recipes containing TAG. This option can be specified '
-                                 'multiple times. By default, all recipes are used. Use -l/--list-recipes '
-                                 'option to see recipe TAG information.'),
+                        'help': (
+                            'Consider only recipes containing TAG. This option can be specified '
+                            'multiple times. By default, all recipes are used. Use -l/--list-recipes '
+                            'option to see recipe TAG information.'
+                        ),
                     },
                     {
                         'names': ['-a', '--append'],
                         'is_flag': True,
-                        'help': ('Use recipes specified with the -r/--recipe option in '
-                                 'combination with the built-in recipes.'),
+                        'help': (
+                            'Use recipes specified with the -r/--recipe option in '
+                            'combination with the built-in recipes.'
+                        ),
                     },
                     {
                         'names': ['-f', '--force'],
@@ -196,16 +208,18 @@ def action_extensions(base_actions: Dict, project_path: str) -> Any:
                         'names': ['-o', '--output'],
                         'metavar': 'PATH',
                         'type': str,
-                        'help': ('Diagnostic report directory PATH or zip file archive PATH. '
-                                 'If not specified, the report-UUID is used as the report directory, '
-                                 'and the report directory specified with the --zip option with a zip '
-                                 'extension is used for the zip file archive.')
+                        'help': (
+                            'Diagnostic report directory PATH or zip file archive PATH. '
+                            'If not specified, the report-UUID is used as the report directory, '
+                            'and the report directory specified with the --zip option with a zip '
+                            'extension is used for the zip file archive.'
+                        ),
                     },
                     {
                         'names': ['-p', '--purge', 'purge_file'],
                         'metavar': 'PATH',
                         'type': str,
-                        'help': ('Use a custom purge file to remove sensitive information from the report.')
+                        'help': ('Use a custom purge file to remove sensitive information from the report.'),
                     },
                 ],
             },