diff --git a/auth_user_case_insensitive/__init__.py b/auth_user_case_insensitive/__init__.py
index 9558317ddb..b26a8b2689 100644
--- a/auth_user_case_insensitive/__init__.py
+++ b/auth_user_case_insensitive/__init__.py
@@ -8,30 +8,30 @@
 
 
 def pre_init_hook_login_check(env):
-  """This hook will look to see if any conflicting logins exist before
+    """This hook will look to see if any conflicting logins exist before
     the module is installed
     :param openerp.sql_db.Cursor cr:
         Database cursor.
     """
-  with env.cr.savepoint():
-    users = []
-    env.cr.execute("SELECT login FROM res_users")
-    for user in env.cr.fetchall():
-      login = user[0].lower()
-      if login not in users:
-        users.append(login)
-      else:
-        raise ValidationError(
-            _("Conflicting user logins exist for `%s`", login)
-        )
+    with env.cr.savepoint():
+        users = []
+        env.cr.execute("SELECT login FROM res_users")
+        for user in env.cr.fetchall():
+            login = user[0].lower()
+            if login not in users:
+                users.append(login)
+            else:
+                raise ValidationError(
+                    _("Conflicting user logins exist for `%s`", login)
+                )
 
 
 def post_init_hook_login_convert(env):
-  """After the module is installed, set all logins to lowercase
+    """After the module is installed, set all logins to lowercase
     :param openerp.sql_db.Cursor cr:
         Database cursor.
     :param openerp.modules.registry.RegistryManager registry:
         Database registry, using v7 api.
     """
-  with env.cr.savepoint():
-    env.cr.execute("UPDATE res_users SET login=lower(login)")
+    with env.cr.savepoint():
+        env.cr.execute("UPDATE res_users SET login=lower(login)")
diff --git a/auth_user_case_insensitive/models/res_users.py b/auth_user_case_insensitive/models/res_users.py
index 9c119a87a3..270882b8ff 100644
--- a/auth_user_case_insensitive/models/res_users.py
+++ b/auth_user_case_insensitive/models/res_users.py
@@ -6,29 +6,28 @@
 
 
 class ResUsers(models.Model):
+    _inherit = "res.users"
 
-  _inherit = "res.users"
+    login = fields.Char(help="Used to log into the system. Case insensitive.")
 
-  login = fields.Char(help="Used to log into the system. Case insensitive.")
-
-  @classmethod
-  def _login(cls, db, credential, user_agent_env):
-    """Overload _login to lowercase the `login` before passing to the
+    @classmethod
+    def _login(cls, db, credential, user_agent_env):
+        """Overload _login to lowercase the `login` before passing to the
         super."""
-    if credential.get('type') and credential['type'] == 'password':
-      credential['login'] = credential['login'].lower()
-
-    return super()._login(db, credential, user_agent_env)
-
-  @api.model_create_multi
-  def create(self, vals_list):
-    """Overload create multiple to lowercase login."""
-    for val in vals_list:
-      val["login"] = val.get("login", "").lower()
-    return super().create(vals_list)
-
-  def write(self, vals):
-    """Overload write to lowercase login."""
-    if vals.get("login"):
-      vals["login"] = vals["login"].lower()
-    return super().write(vals)
+        if credential.get("type") and credential["type"] == "password":
+            credential["login"] = credential["login"].lower()
+
+        return super()._login(db, credential, user_agent_env)
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        """Overload create multiple to lowercase login."""
+        for val in vals_list:
+            val["login"] = val.get("login", "").lower()
+        return super().create(vals_list)
+
+    def write(self, vals):
+        """Overload write to lowercase login."""
+        if vals.get("login"):
+            vals["login"] = vals["login"].lower()
+        return super().write(vals)
diff --git a/auth_user_case_insensitive/tests/test_res_users.py b/auth_user_case_insensitive/tests/test_res_users.py
index 39e43b1720..5dafcbcffe 100644
--- a/auth_user_case_insensitive/tests/test_res_users.py
+++ b/auth_user_case_insensitive/tests/test_res_users.py
@@ -6,55 +6,54 @@
 
 
 class TestResUsers(TransactionCase):
-
-  def setUp(self):
-    super().setUp()
-    self.login = "LasLabs@ExAmPlE.CoM"
-    self.partner_vals = {
-        "name": "Partner",
-        "is_company": False,
-        "email": self.login,
-    }
-    self.vals = {"name": "User", "login": self.login, "password": "password"}
-    self.model_obj = self.env["res.users"]
-
-  def _new_record(self):
-    """Gnerate a new record to test with."""
-    partner_id = self.env["res.partner"].create(self.partner_vals)
-    self.vals["partner_id"] = partner_id.id
-    return self.model_obj.create(self.vals)
-
-  def test_login_is_lowercased_on_create(self):
-    """Verify the login is set to lowercase on create."""
-    rec_id = self._new_record()
-    self.assertEqual(
-        self.login.lower(),
-        rec_id.login,
-        "Login was not lowercased when saved to db.",
-    )
-
-  def test_login_is_lowercased_on_write(self):
-    """Verify the login is set to lowercase on write."""
-    rec_id = self._new_record()
-    rec_id.write({"login": self.login})
-    self.assertEqual(
-        self.login.lower(),
-        rec_id.login,
-        "Login was not lowercased when saved to db.",
-    )
-
-  def test_login_login_is_lowercased(self):
-    """verify the login is set to lowercase on login."""
-    rec_id = self.model_obj.search([("login", "=", "admin")])
-    credential = {'login': "AdMiN", 'password': "admin", 'type': 'password'}
-    auth_info = self.model_obj._login(
-        self.env.registry.db_name,
-        credential,
-        {"interactive": True},
-    )
-    self.assertEqual(
-        rec_id.id,
-        auth_info['uid'],
-        "Login with with uppercase chars was not \
+    def setUp(self):
+        super().setUp()
+        self.login = "LasLabs@ExAmPlE.CoM"
+        self.partner_vals = {
+            "name": "Partner",
+            "is_company": False,
+            "email": self.login,
+        }
+        self.vals = {"name": "User", "login": self.login, "password": "password"}
+        self.model_obj = self.env["res.users"]
+
+    def _new_record(self):
+        """Gnerate a new record to test with."""
+        partner_id = self.env["res.partner"].create(self.partner_vals)
+        self.vals["partner_id"] = partner_id.id
+        return self.model_obj.create(self.vals)
+
+    def test_login_is_lowercased_on_create(self):
+        """Verify the login is set to lowercase on create."""
+        rec_id = self._new_record()
+        self.assertEqual(
+            self.login.lower(),
+            rec_id.login,
+            "Login was not lowercased when saved to db.",
+        )
+
+    def test_login_is_lowercased_on_write(self):
+        """Verify the login is set to lowercase on write."""
+        rec_id = self._new_record()
+        rec_id.write({"login": self.login})
+        self.assertEqual(
+            self.login.lower(),
+            rec_id.login,
+            "Login was not lowercased when saved to db.",
+        )
+
+    def test_login_login_is_lowercased(self):
+        """verify the login is set to lowercase on login."""
+        rec_id = self.model_obj.search([("login", "=", "admin")])
+        credential = {"login": "AdMiN", "password": "admin", "type": "password"}
+        auth_info = self.model_obj._login(
+            self.env.registry.db_name,
+            credential,
+            {"interactive": True},
+        )
+        self.assertEqual(
+            rec_id.id,
+            auth_info["uid"],
+            "Login with with uppercase chars was not \
             successful",
-    )
+        )