diff --git a/spyder/plugins/pylint/main_widget.py b/spyder/plugins/pylint/main_widget.py
index de1cd333557..d88bbafc922 100644
--- a/spyder/plugins/pylint/main_widget.py
+++ b/spyder/plugins/pylint/main_widget.py
@@ -374,9 +374,11 @@ def _start(self):
 
         command_args = self.get_command(self.get_filename())
         pythonpath_manager_values = self.get_conf(
-            'spyder_pythonpath', default=[], section='pythonpath_manager')
+            'spyder_pythonpath', default=[], section='pythonpath_manager'
+        )
         process.setProcessEnvironment(
-            self.get_environment(pythonpath_manager_values))
+            self.get_environment(pythonpath_manager_values)
+        )
         process.start(sys.executable, command_args)
         running = process.waitForStarted()
         if not running:
@@ -936,8 +938,9 @@ def get_command(self, filename):
         return command_args
 
     @staticmethod
-    def get_environment(pythonpath_manager_values: list
-                        ) -> QProcessEnvironment:
+    def get_environment(
+        pythonpath_manager_values: list
+    ) -> QProcessEnvironment:
         """Get evironment variables for pylint command."""
         process_environment = QProcessEnvironment()
         process_environment.insert("PYTHONIOENCODING", "utf8")
@@ -956,7 +959,9 @@ def get_environment(pythonpath_manager_values: list
             # Needed for Windows installations using standalone Python and pip.
             # See spyder-ide/spyder#19385
             if not is_conda_env(sys.prefix):
-                process_environment.insert("APPDATA", os.environ.get("APPDATA"))
+                process_environment.insert(
+                    "APPDATA", os.environ.get("APPDATA")
+                )
 
         return process_environment
 
diff --git a/spyder/plugins/pylint/tests/test_pylint.py b/spyder/plugins/pylint/tests/test_pylint.py
index 144ec6112ac..e755dff0190 100644
--- a/spyder/plugins/pylint/tests/test_pylint.py
+++ b/spyder/plugins/pylint/tests/test_pylint.py
@@ -339,21 +339,29 @@ def test_custom_interpreter(pylint_plugin, tmp_path, qtbot,
 def test_get_environment(mocker):
     """Test that the environment variables depend on the OS."""
     if os.name == 'nt':
-        mocker.patch("spyder.plugins.pylint.main_widget.is_conda_based_app",
-                     return_value=False)
-        mocker.patch("spyder.plugins.pylint.main_widget.is_anaconda",
-                     return_value=False)
-        mocker.patch("spyder.plugins.pylint.main_widget.get_home_dir",
-                     return_value='')
-
-    etalon = {
+        mocker.patch(
+            "spyder.plugins.pylint.main_widget.is_conda_based_app",
+            return_value=False
+        )
+        mocker.patch(
+            "spyder.plugins.pylint.main_widget.is_anaconda",
+            return_value=False
+        )
+        mocker.patch(
+            "spyder.plugins.pylint.main_widget.get_home_dir",
+            return_value=''
+        )
+
+    expected_vars = {
         "nt": ["APPDATA", "PYTHONIOENCODING", "PYTHONPATH", "USERPROFILE"],
-        "posix": ["PYTHONIOENCODING", "PYTHONPATH"]}
+        "posix": ["PYTHONIOENCODING", "PYTHONPATH"]
+    }
 
     process_environment = Pylint.WIDGET_CLASS.get_environment(
-        pythonpath_manager_values=["project_dir"])
+        pythonpath_manager_values=["project_dir"]
+    )
 
-    assert process_environment.keys() == etalon[os.name]
+    assert process_environment.keys() == expected_vars[os.name]
 
 
 if __name__ == "__main__":