diff --git a/src/pyrecest/filters/vbrm_tracker.py b/src/pyrecest/filters/vbrm_tracker.py
index cc18df474..d79e7f171 100644
--- a/src/pyrecest/filters/vbrm_tracker.py
+++ b/src/pyrecest/filters/vbrm_tracker.py
@@ -483,9 +483,7 @@ def predict_linear(
         gamma = (
             self.forgetting_factor
             if forgetting_factor is None
-            else float(
-                self._as_positive_scalar(forgetting_factor, "forgetting_factor")
-            )
+            else float(self._as_positive_scalar(forgetting_factor, "forgetting_factor"))
         )
 
         next_alpha = gamma * self.alpha
diff --git a/tests/distributions/test_circular_fourier_bool_validation.py b/tests/distributions/test_circular_fourier_bool_validation.py
index c39256d36..40299b61a 100644
--- a/tests/distributions/test_circular_fourier_bool_validation.py
+++ b/tests/distributions/test_circular_fourier_bool_validation.py
@@ -1,6 +1,5 @@
 import numpy as np
 import pytest
-
 from pyrecest.backend import array
 from pyrecest.distributions import CircularFourierDistribution, VonMisesDistribution
 
diff --git a/tests/filters/test_discrete_state_sticky_transition_validation.py b/tests/filters/test_discrete_state_sticky_transition_validation.py
index 07e115b9d..d5abb454f 100644
--- a/tests/filters/test_discrete_state_sticky_transition_validation.py
+++ b/tests/filters/test_discrete_state_sticky_transition_validation.py
@@ -1,6 +1,5 @@
 import numpy as np
 import pytest
-
 from pyrecest.filters.discrete_state import sticky_mode_transition_matrix
 
 
diff --git a/tests/filters/test_kalman_filter_noise_covariance_validation.py b/tests/filters/test_kalman_filter_noise_covariance_validation.py
index 804a97ea3..9d8819324 100644
--- a/tests/filters/test_kalman_filter_noise_covariance_validation.py
+++ b/tests/filters/test_kalman_filter_noise_covariance_validation.py
@@ -1,6 +1,5 @@
 import numpy as np
 import pytest
-
 from pyrecest import backend
 from pyrecest.filters import KalmanFilter
 
diff --git a/tests/filters/test_sparse_gaussian_transition_validation.py b/tests/filters/test_sparse_gaussian_transition_validation.py
index f0b38e778..7c5f80cd6 100644
--- a/tests/filters/test_sparse_gaussian_transition_validation.py
+++ b/tests/filters/test_sparse_gaussian_transition_validation.py
@@ -1,6 +1,5 @@
 import numpy as np
 import pytest
-
 from pyrecest.filters.discrete_state import sparse_gaussian_transition_matrix
 
 
diff --git a/tests/filters/test_vbrm_validation.py b/tests/filters/test_vbrm_validation.py
index 17c29c17e..05a9c1b03 100644
--- a/tests/filters/test_vbrm_validation.py
+++ b/tests/filters/test_vbrm_validation.py
@@ -2,7 +2,6 @@
 
 import numpy as np
 import numpy.testing as npt
-
 import pyrecest.backend
 from pyrecest.backend import array, diag, eye
 from pyrecest.filters.vbrm_tracker import VBRMTracker
diff --git a/tests/test_point_set_registration_reflection_flag.py b/tests/test_point_set_registration_reflection_flag.py
index 7205f40a3..7535b23dd 100644
--- a/tests/test_point_set_registration_reflection_flag.py
+++ b/tests/test_point_set_registration_reflection_flag.py
@@ -1,7 +1,6 @@
 import numpy as np
-import pytest
 import pyrecest.backend
-
+import pytest
 from pyrecest.backend import array
 from pyrecest.utils.point_set_registration import (
     estimate_transform,