apply new linter

data_encryption/models/encrypted_data.py

@@ -44,14 +44,14 @@ class EncryptedData(models.Model):
         cipher = self._get_cipher(env)
         try:
             return cipher.decrypt(self.encrypted_data).decode()
-        except InvalidToken:
+        except InvalidToken as err:
             raise ValidationError(
                 _(
                     "Password has been encrypted with a different "
                     "key. Unless you can recover the previous key, "
                     "this password is unreadable."
                 )
-            )
+            ) from err
 
     @api.model
     @ormcache("self._uid", "name", "env")
@@ -77,10 +77,10 @@ class EncryptedData(models.Model):
             return {}
         try:
             return json.loads(data)
-        except (ValueError, TypeError):
+        except (ValueError, TypeError) as err:
             raise ValidationError(
                 _("The data you are trying to read are not in a json format")
-            )
+            ) from err
 
     @staticmethod
     def _retrieve_env():

server_environment/server_env.py

@@ -118,7 +118,9 @@ def _load_config_from_server_env_files(config_p):
     try:
         config_p.read(conf_files)
     except Exception as e:
-        raise Exception('Cannot read config files "{}":  {}'.format(conf_files, e))
+        raise Exception(
+            'Cannot read config files "{}":  {}'.format(conf_files, e)
+        ) from e
 
 
 def _load_config_from_rcfile(config_p):
@@ -135,7 +137,7 @@ def _load_config_from_env(config_p):
             except configparser.Error as err:
                 raise Exception(
                     "{} content could not be parsed: {}".format(varname, err)
-                )
+                ) from err
 
 
 def _load_config():

server_environment_data_encryption/models/server_env_mixin.py

@@ -105,9 +105,7 @@ class ServerEnvMixin(models.AbstractModel):
                       <strong>{}</strong>
                     </div>
                   </div>
-            """.format(
-                    "alert-danger", warning_string
-                )
+            """.format("alert-danger", warning_string)
             )
             return elem
 
@@ -120,9 +118,7 @@ class ServerEnvMixin(models.AbstractModel):
                     type="object" string="{}{}"
                     class="btn btn-lg btn-primary ml-2"
                     context="{}"/>
-            """.format(
-                button_string, environment, {"environment": environment}
-            )
+            """.format(button_string, environment, {"environment": environment})
             button_div += "{}".format(button)
         button_div += "</div>"
         alert_string = _("Modify values for {} environment").format(current_env)
@@ -137,9 +133,7 @@ class ServerEnvMixin(models.AbstractModel):
                 </div>
                 {}
               </div>
-        """.format(
-                alert_type, alert_string, button_div
-            )
+        """.format(alert_type, alert_string, button_div)
         )
         return elem
 

server_environment_ir_config_parameter/models/ir_config_parameter.py

@@ -10,7 +10,6 @@ SECTION = "ir.config_parameter"
 
 
 class IrConfigParameter(models.Model):
-
     _inherit = "ir.config_parameter"
 
     is_environment = fields.Boolean(