Fixed missing dependency for mypy

Astropilot · Astropilot · commit e1bec6baf9c3 · 2023-04-04T00:53:39.000+02:00
diff --git a/pyproject.toml b/pyproject.toml
@@ -51,7 +51,9 @@ dev = [
   "ruff ==0.0.257",
   "black ==23.1.0",
   "isort >=5.0.6,<6.0.0",
-  "devtools[pygments] ==0.10.0"
+  "devtools[pygments] ==0.10.0",
+
+  "types-Pillow >=9.0.0"
 ]
 
 [tool.hatch.version]
