diff --git a/winnow/cache.py b/winnow/cache.py
index b28f14a..183c3a2 100644
--- a/winnow/cache.py
+++ b/winnow/cache.py
@@ -75,8 +75,6 @@ class EmbeddingCache:
         if os.path.exists(path):
             try:
                 return np.load(path)
-            except MemoryError:
-                raise
             except Exception:
                 return None
         return None
diff --git a/winnow/embeddings.py b/winnow/embeddings.py
index 9d59d8a..a715162 100644
--- a/winnow/embeddings.py
+++ b/winnow/embeddings.py
@@ -45,8 +45,8 @@ def _suppress_output():
         if saved_out is not None:
             try:
                 os.dup2(saved_out, 1)
-            except OSError:
-                pass
+            except OSError as e:
+                logger.debug("_suppress_output: failed to restore stdout fd: %s", e)
             finally:
                 try:
                     os.close(saved_out)
@@ -55,8 +55,8 @@ def _suppress_output():
         if saved_err is not None:
             try:
                 os.dup2(saved_err, 2)
-            except OSError:
-                pass
+            except OSError as e:
+                logger.debug("_suppress_output: failed to restore stderr fd: %s", e)
             finally:
                 try:
                     os.close(saved_err)
diff --git a/winnow/immich_api.py b/winnow/immich_api.py
index fbe0b3a..6ecc31f 100644
--- a/winnow/immich_api.py
+++ b/winnow/immich_api.py
@@ -61,7 +61,7 @@ def get_people() -> list[dict]:
         if not isinstance(data, dict):
             logger.error("Unexpected response shape from Immich /people: %r", type(data))
             return []
-        return data.get("people", [])
+        return data.get("people") or []
     except (requests.RequestException, ValueError, AttributeError) as e:
         logger.error("Failed to fetch people from Immich: %s", e)
         return []