From 24be993478355cbd03efdd3d8da5901daff6bb1b Mon Sep 17 00:00:00 2001
From: Joe Knapper <joe.knapper@glasgow.ac.uk>
Date: Wed, 22 Oct 2025 11:26:36 +0000
Subject: [PATCH] Apply suggestions from code review of branch camera-metadata

---
 src/openflexure_microscope_server/things/camera/__init__.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/openflexure_microscope_server/things/camera/__init__.py b/src/openflexure_microscope_server/things/camera/__init__.py
index 1a20f65e..ac1958c2 100644
--- a/src/openflexure_microscope_server/things/camera/__init__.py
+++ b/src/openflexure_microscope_server/things/camera/__init__.py
@@ -465,7 +465,7 @@ class BaseCamera(lt.Thing):
         self,
         metadata_getter: lt.deps.GetThingStates,
         logger: lt.deps.InvocationLogger,
-    ) -> Image:
+    ) -> Tuple[Image, Mapping[str, Any]]:
         """Capture an image in memory and return it with metadata.
 
         This robust capturing method attempts to capture the image five times
@@ -490,7 +490,7 @@ class BaseCamera(lt.Thing):
 
     def _capture_metadata(
         self,
-        metadata: dict,
+        metadata: Mapping[str, Any],
     ) -> dict:
         """Return the metadata for a capture, from the thing states, time and known names."""
         return {