add optional

developmentseed · Mar 14, 2023 · 4975fc3 · 4975fc3
1 parent c8c19b4
commit 4975fc3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/src/examples/code/tiler_with_cache.md b/docs/src/examples/code/tiler_with_cache.md
@@ -155,7 +155,7 @@ def setup_cache():
 app/routes.py
 """
 from dataclasses import dataclass
-from typing import Callable, Dict, Type, Literal, List, Tuple
+from typing import Callable, Dict, Type, Literal, List, Tuple, Optional
 from urllib.parse import urlencode
 
 from fastapi import Depends, Path, Query