diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a2c1427..b22c5ff 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
 -   repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 25.12.0
+    rev: 26.1.0
     hooks:
     - id: black
       args: [--line-length=99, --safe]
diff --git a/attune/__version__.py b/attune/__version__.py
index 5731bf0..d409abe 100644
--- a/attune/__version__.py
+++ b/attune/__version__.py
@@ -6,7 +6,6 @@
 import pathlib
 import os
 
-
 # ---- define -------------------------------------------------------------------------------------
 
 
diff --git a/attune/_holistic.py b/attune/_holistic.py
index f8e5796..31ae5fb 100644
--- a/attune/_holistic.py
+++ b/attune/_holistic.py
@@ -11,7 +11,6 @@
 from ._plot import plot_holistic
 from ._common import save
 
-
 __all__ = ["holistic"]
 
 
diff --git a/attune/_intensity.py b/attune/_intensity.py
index 429cc5e..7398872 100644
--- a/attune/_intensity.py
+++ b/attune/_intensity.py
@@ -11,7 +11,6 @@
 from ._plot import plot_intensity
 from ._common import save
 
-
 # --- processing methods --------------------------------------------------------------------------
 
 __all__ = ["intensity"]
diff --git a/attune/_setpoint.py b/attune/_setpoint.py
index 3f4dcd7..b29df7b 100644
--- a/attune/_setpoint.py
+++ b/attune/_setpoint.py
@@ -11,7 +11,6 @@
 from ._plot import plot_setpoint
 from ._common import save
 
-
 # --- processing methods --------------------------------------------------------------------------
 
 __all__ = ["setpoint"]
diff --git a/attune/_transition.py b/attune/_transition.py
index e455640..e08e711 100644
--- a/attune/_transition.py
+++ b/attune/_transition.py
@@ -3,7 +3,6 @@
 from enum import Enum
 from typing import Any, Optional, Dict, TYPE_CHECKING
 
-
 if TYPE_CHECKING:
     import WrightTools as wt
 
diff --git a/docs/conf.py b/docs/conf.py
index 848c3f1..fd7caff 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -23,7 +23,6 @@
 import sphinx_gallery
 import math
 
-
 # --- define -------------------------------------------------------------------------------------
 
 
diff --git a/tests/Curve/read/2018-08-14/bugse.py b/tests/Curve/read/2018-08-14/bugse.py
index ad4f8cd..7f06d52 100644
--- a/tests/Curve/read/2018-08-14/bugse.py
+++ b/tests/Curve/read/2018-08-14/bugse.py
@@ -7,7 +7,6 @@
 
 import attune
 
-
 __here__ = pathlib.Path(__file__).parent
 
 
diff --git a/tests/Curve/read/2019-02-08/lsizp.py b/tests/Curve/read/2019-02-08/lsizp.py
index ad4f8cd..7f06d52 100644
--- a/tests/Curve/read/2019-02-08/lsizp.py
+++ b/tests/Curve/read/2019-02-08/lsizp.py
@@ -7,7 +7,6 @@
 
 import attune
 
-
 __here__ = pathlib.Path(__file__).parent
 
 
diff --git a/tests/Curve/read/2019-02-12/yxciu.py b/tests/Curve/read/2019-02-12/yxciu.py
index 5c6eaef..7258192 100644
--- a/tests/Curve/read/2019-02-12/yxciu.py
+++ b/tests/Curve/read/2019-02-12/yxciu.py
@@ -7,7 +7,6 @@
 
 import attune
 
-
 __here__ = pathlib.Path(__file__).parent
 
 
diff --git a/tests/TopasCurve/add/xkloo.py b/tests/TopasCurve/add/xkloo.py
index 7d84279..c3c4a01 100644
--- a/tests/TopasCurve/add/xkloo.py
+++ b/tests/TopasCurve/add/xkloo.py
@@ -3,7 +3,6 @@
 import attune
 import numpy as np
 
-
 __here__ = pathlib.Path(__file__).parent
 
 
diff --git a/tests/TopasCurve/read/2018-10-26/niuce.py b/tests/TopasCurve/read/2018-10-26/niuce.py
index 4f5f4df..6d91bfb 100644
--- a/tests/TopasCurve/read/2018-10-26/niuce.py
+++ b/tests/TopasCurve/read/2018-10-26/niuce.py
@@ -4,7 +4,6 @@
 import tempfile
 import numpy as np
 
-
 __here__ = pathlib.Path(__file__).parent
 
 
diff --git a/tests/workup/intensity/test_intensity.py b/tests/workup/intensity/test_intensity.py
index 74645d7..009621c 100644
--- a/tests/workup/intensity/test_intensity.py
+++ b/tests/workup/intensity/test_intensity.py
@@ -4,7 +4,6 @@
 import numpy as np
 import WrightTools as wt
 
-
 __here__ = pathlib.Path(__file__).parent
 
 
diff --git a/tests/workup/setpoint/test_setpoint.py b/tests/workup/setpoint/test_setpoint.py
index d68a1cf..cb72c5e 100644
--- a/tests/workup/setpoint/test_setpoint.py
+++ b/tests/workup/setpoint/test_setpoint.py
@@ -4,7 +4,6 @@
 
 import matplotlib.pyplot as plt
 
-
 __here__ = pathlib.Path(__file__).parent
 
 
diff --git a/tests/workup/tune_test/test_tune_test.py b/tests/workup/tune_test/test_tune_test.py
index 5ea5d01..7cc629a 100644
--- a/tests/workup/tune_test/test_tune_test.py
+++ b/tests/workup/tune_test/test_tune_test.py
@@ -3,7 +3,6 @@
 import numpy as np
 import pathlib
 
-
 __here__ = pathlib.Path(__file__).parent