Replace mypy with pytype.

tests/test_pytype.py

@@ -0,0 +1,9 @@
+import subprocess
+from subprocess import PIPE
+
+def test_pytype():
+    result = subprocess.run(
+        ['pytype', 'vulture/core.py', '--disable=attribute-error'],
+        stdout=PIPE, stderr=PIPE, universal_newlines=True
+    )
+    assert result.stdout.strip().endswith('Success: no errors found')

tox.ini

@@ -15,7 +15,7 @@ deps =
   pint  # Use latest version to catch API changes.
   pytest==7.4.2
   pytest-cov==4.0.0
-  mypy==1.11.0
+  pytype==2024.9.13
 commands =
   pytest {posargs}
 # Install package as wheel in all envs (https://hynek.me/articles/turbo-charge-tox/).