.. _bad-plugin-value: bad-plugin-value / E0013 ======================== **Message emitted:** ``Plugin '%s' is impossible to load, is it installed ? ('%s')`` **Description:** *Used when a bad value is used in 'load-plugins'.* **Additional details:** One of your pylint plugins cannot be loaded. There's nothing to change in your code, but your pylint configuration or installation has an issue. For example, there might be a typo. The following config:: [MAIN] load-plugins = pylint.extensions.bad_biultin Should be:: [MAIN] load-plugins = pylint.extensions.bad_builtin Or the plugin you added is not importable in your environment. Created by the `main `__ checker.