diff --git a/src/app.py b/src/app.py
index dd6acb0ef..597743cc8 100644
--- a/src/app.py
+++ b/src/app.py
@@ -770,7 +770,10 @@ def app_upgrade(
             from yunohost.utils.resources import AppResourceManager
 
             AppResourceManager(
-                app_instance_name, wanted=manifest, current=app_dict["manifest"], workdir=extracted_app_folder
+                app_instance_name,
+                wanted=manifest,
+                current=app_dict["manifest"],
+                workdir=extracted_app_folder,
             ).apply(
                 rollback_and_raise_exception_if_failure=True,
                 operation_logger=operation_logger,
diff --git a/src/utils/resources.py b/src/utils/resources.py
index ea6448c36..71c455c77 100644
--- a/src/utils/resources.py
+++ b/src/utils/resources.py
@@ -257,7 +257,11 @@ class AppResource:
         )
         from yunohost.hook import hook_exec_with_script_debug_if_failure
 
-        workdir = self.manager.workdir if self.manager and self.manager.workdir else _make_tmp_workdir_for_app(app=self.app)
+        workdir = (
+            self.manager.workdir
+            if self.manager and self.manager.workdir
+            else _make_tmp_workdir_for_app(app=self.app)
+        )
 
         env_ = _make_environment_for_app_script(
             self.app,