remove typing_extensions requirement

[nominatim.git] / docs / develop / Development-Environment.md

diff --git a/docs/develop/Development-Environment.md b/docs/develop/Development-Environment.md
index 05bd50dede36a2d82f053fd393e862f602558f31..65dc79907c8bcdbb697d80803eaeeb5520182c82 100644 (file)
--- a/docs/develop/Development-Environment.md
+++ b/docs/develop/Development-Environment.md
@@ -34,6 +34,7 @@ It has the following additional requirements:
 * [PHP CodeSniffer](https://github.com/squizlabs/PHP_CodeSniffer)
 * [Pylint](https://pylint.org/) (CI always runs the latest version from pip)
 * [mypy](http://mypy-lang.org/) (plus typing information for external libs)
+* [Python Typing Extensions](https://github.com/python/typing_extensions) (for Python < 3.9)
 * [pytest](https://pytest.org)
 
 The documentation is built with mkdocs: