Help for pyright

docs/dev_guide.md

@@ -39,6 +39,13 @@ Make sure you included the dev tools as part of the installation
 pip install -e .[dev]
 ```
 
+*If* you want to be able to use static analysis tools (`pyright`)
+all the while use dapper from another directory, you should also **append**
+`--config-settings editable_mode=compat` to the above command.
+Ref [pyright doc](https://github.com/microsoft/pyright/blob/main/docs/import-resolution.md#editable-installs)
+and [pyright issue](https://github.com/microsoft/pylance-release/issues/78).
+Alternatively, there is the `extraPaths` setting.
+
 ## Run tests
 
 By default, only `doctests` are run when executing `pytest`.