Include mypy as dependency if selected

Author: coretl

template/pyproject.toml.jinja

@@ -23,12 +23,13 @@ requires-python = ">=3.7"
 [project.optional-dependencies]
 dev = [
     "copier",
-    {% if sphinx %}"myst-parser",
+    {% if type_checker=="mypy" %}"mypy",
+    {% endif %}{% if sphinx %}"myst-parser",
     {% endif %}"pipdeptree",
     "pre-commit",
     {% if sphinx %}"pydata-sphinx-theme>=0.12",
-    {% endif %}"pyright",
-    "pytest",
+    {% endif %}{% if type_checker=="pyright" %}"pyright",
+    {% endif %}"pytest",
     "pytest-cov",
     "ruff",
     {% if sphinx %}"sphinx-autobuild",