From 32acafa5e08784775db88ec1c498178a461f5c45 Mon Sep 17 00:00:00 2001
From: Martijn Pieters <mj@zopatista.com>
Date: Thu, 27 Apr 2023 16:11:59 +0100
Subject: [PATCH] Correct type hint: namespace is not optional

The namespace argument is positional and will never be `None` so should
not be marked as Optional. It is always a string, and the default is
to pass in an empty string.
---
 README.md                    | 2 +-
 fastapi_cache/key_builder.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 4f0b31d..ce038b0 100644
--- a/README.md
+++ b/README.md
@@ -121,7 +121,7 @@ take effect globally.
 ```python
 def my_key_builder(
         func,
-        namespace: Optional[str] = "",
+        namespace: str = "",
         request: Request = None,
         response: Response = None,
         *args,
diff --git a/fastapi_cache/key_builder.py b/fastapi_cache/key_builder.py
index 852e632..a43317c 100644
--- a/fastapi_cache/key_builder.py
+++ b/fastapi_cache/key_builder.py
@@ -7,7 +7,7 @@ from starlette.responses import Response
 
 def default_key_builder(
     func: Callable,
-    namespace: Optional[str] = "",
+    namespace: str = "",
     request: Optional[Request] = None,
     response: Optional[Response] = None,
     args: Optional[tuple] = None,