Update docs around development

diff --git a/docs/pyutils.rst b/docs/pyutils.rst
index 7d19ab70d7e5cd236d154cbdad4a8e0d4f53fbc7..eb839075ce8b6c69b8fc7b84df8424f2fd19e9d3 100644 (file)
--- a/docs/pyutils.rst
+++ b/docs/pyutils.rst
@@ -83,6 +83,7 @@ To actually build the code (by which I mean type check it, lint it, package it,
 it, etc...) you need some other dependencies installed:
 
     - black: I use black to auto-format the code
+    - mypy: a Python type checker
     - coverage: used by the --coverage option of `run_tests.py`.
     - flake8: a Python linter
     - pylint: another Python linter