[FIX] base: Changing password with false as new value

Before clicking on 'Change Password' button, a new password must be
written. Otherwise an error was raised: TypeError: secret must be
unicode or bytes, not bool.

opw:777921

odoo/addons/base/i18n/base.pot

@@ -19704,6 +19704,12 @@ msgstr ""
 msgid "yes"
 msgstr ""
 
+#. module: base
+#: code:addons/base/res/res_users.py:955
+#, python-format
+msgid "Before clicking on 'Change Password', you have to write a new password."
+msgstr ""
+
 #. module: base
 #: model:res.country,name:base.ax
 msgid "Åland Islands"

odoo/addons/base/res/res_users.py

@@ -950,6 +950,8 @@ class ChangePasswordUser(models.TransientModel):
     @api.multi
     def change_password_button(self):
         for line in self:
+            if not line.new_passwd:
+                raise UserError(_("Before clicking on 'Change Password', you have to write a new password."))
             line.user_id.write({'password': line.new_passwd})
         # don't keep temporary passwords in the database longer than necessary
         self.write({'new_passwd': False})