diff --git a/llm/errors.py b/llm/errors.py
index 4515ab82..10f50bb5 100644
--- a/llm/errors.py
+++ b/llm/errors.py
@@ -1,8 +1,6 @@
 class ModelError(Exception):
     "Models can raise this error, which will be displayed to the user"
-    pass
 
 
 class NeedsKeyException(ModelError):
     "Model needs an API key which has not been provided"
-    pass
diff --git a/setup.py b/setup.py
index 1b052381..8eae1bbf 100644
--- a/setup.py
+++ b/setup.py
@@ -58,7 +58,7 @@ def get_long_description():
             "pytest-asyncio",
             "cogapp",
             "mypy>=1.10.0",
-            "black==24.10.0",
+            "black>=25.1.0",
             "ruff",
             "types-click",
             "types-PyYAML",