feat: add py.typed for mypy

Author: lepture

pyproject.toml

@@ -41,6 +41,9 @@ version = {attr = "mistune.__version__"}
 [tool.setuptools.packages.find]
 where = ["src"]
 
+[tool.setuptools.package-data]
+mistune = ["py.typed"]
+
 [tool.pytest.ini_options]
 pythonpath = ["src", "."]
 testpaths = ["tests"]

setup.py

@@ -1,8 +1,3 @@
 from setuptools import setup
 
-# Metadata goes in setup.cfg. These are here for GitHub's dependency graph.
-
-setup(
-    name="mistune",
-    package_data={"mistune": ["py.typed", ]}
-)
+setup(name="mistune")