diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 94c745a..7082825 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -7,7 +7,7 @@ default_stages:
 minimum_pre_commit_version: 2.16.0
 repos:
   - repo: https://github.com/psf/black
-    rev: "23.11.0"
+    rev: "24.2.0"
     hooks:
       - id: black
   - repo: https://github.com/asottile/blacken-docs
@@ -15,7 +15,7 @@ repos:
     hooks:
       - id: blacken-docs
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v3.1.0
+    rev: v4.0.0-alpha.8
     hooks:
       - id: prettier
         # Newer versions of node don't work on systems that have an older version of GLIBC
@@ -25,7 +25,7 @@ repos:
         # https://github.com/jupyterlab/jupyterlab/issues/12675
         language_version: "17.9.1"
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.1.6
+    rev: v0.2.1
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]
diff --git a/ehrdata/io/_omop.py b/ehrdata/io/_omop.py
index b542c76..e8fc4a0 100644
--- a/ehrdata/io/_omop.py
+++ b/ehrdata/io/_omop.py
@@ -144,9 +144,11 @@ def from_dataframe(adata, feature: str, df):
     # Creating the array more efficiently
     ak_array = ak.Array(
         [
-            grouped.get_group(visit_occurrence_id)[columns_in_ak_array].to_dict(orient="list")
-            if visit_occurrence_id in feature_ids
-            else empty_entry
+            (
+                grouped.get_group(visit_occurrence_id)[columns_in_ak_array].to_dict(orient="list")
+                if visit_occurrence_id in feature_ids
+                else empty_entry
+            )
             for visit_occurrence_id in unique_visit_occurrence_ids
         ]
     )
diff --git a/tests/test_basic.py b/tests/test_basic.py
index 6cbb48b..4552089 100644
--- a/tests/test_basic.py
+++ b/tests/test_basic.py
@@ -1,6 +1,5 @@
-import pytest
-
 import ehrdata as ehr
+import pytest
 
 
 def test_package_has_version():