diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 45ee1ae..5f02bb4 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/PyCQA/docformatter
-    rev: v1.7.7
+    rev: v1.7.8
     hooks:
       - id: docformatter
         args: [--in-place, --pre-summary-newline, --make-summary-multi]
@@ -11,12 +11,12 @@ repos:
         args: ['--in-place', '--remove-all-unused-imports', '--remove-unused-variable']
         exclude: ".*(.fits|.fts|.fit|.txt|tca.*|extern.*|.rst|.md|__init__.py|docs/conf.py)$"
   -   repo: https://github.com/psf/black-pre-commit-mirror
-      rev: 26.3.1
+      rev: 26.5.1
       hooks:
       - id: black
         exclude: ".*(.fits|.fts|.fit|.txt|.csv)$"
   -   repo: https://github.com/PyCQA/isort
-      rev: 8.0.1
+      rev: 9.0.0a3
       hooks:
       - id: isort
         exclude: ".*(.fits|.fts|.fit|.txt|.csv)$"
diff --git a/examples/io_dat_files.py b/examples/io_dat_files.py
index 51dcbce..c28c42f 100644
--- a/examples/io_dat_files.py
+++ b/examples/io_dat_files.py
@@ -1,10 +1,9 @@
 """
-==================================
-Input/Output of dat files for FLCT
+================================== Input/Output of dat files for FLCT
 ==================================
 
-This example demonstrates the use of functions in `pyflct.utils`
-to read and write arrays to binary ``dat`` files.
+This example demonstrates the use of functions in `pyflct.utils` to read
+and write arrays to binary ``dat`` files.
 """
 
 import numpy as np
diff --git a/pyflct/flct.py b/pyflct/flct.py
index 1a7e9bf..302a1e8 100644
--- a/pyflct/flct.py
+++ b/pyflct/flct.py
@@ -156,7 +156,6 @@ def flct(
     * Fisher & Welsch, PASP 383, 373, (2008)
     * Fisher et al., ApJS, accepted (2020)
     """
-
     # Checking whether the C extension is correctly built.
     if _pyflct is None:
         raise ImportError("C extension for flct is missing, please rebuild.")