diff --git a/pyproject.toml b/pyproject.toml
index f70dbf2..3d3f2bc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,6 @@ classifiers = [
   "Operating System :: OS Independent",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3 :: Only",
-  "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
diff --git a/src/pygeoogc/utils.py b/src/pygeoogc/utils.py
index 1243375..eb055b4 100644
--- a/src/pygeoogc/utils.py
+++ b/src/pygeoogc/utils.py
@@ -42,7 +42,12 @@
 
 import async_retriever as ar
 from pygeoogc import cache_keys
-from pygeoogc.exceptions import InputTypeError, InputValueError, ServiceError, ServiceUnavailableError
+from pygeoogc.exceptions import (
+    InputTypeError,
+    InputValueError,
+    ServiceError,
+    ServiceUnavailableError,
+)
 
 if TYPE_CHECKING:
     from typing_extensions import Self