diff --git a/src/ert/gui/ertwidgets/analysismodulevariablespanel.py b/src/ert/gui/ertwidgets/analysismodulevariablespanel.py
index ba8152329b9..87333cb6dc9 100644
--- a/src/ert/gui/ertwidgets/analysismodulevariablespanel.py
+++ b/src/ert/gui/ertwidgets/analysismodulevariablespanel.py
@@ -1,4 +1,5 @@
 from functools import partial
+
 from qtpy.QtWidgets import (
     QCheckBox,
     QDoubleSpinBox,
@@ -10,11 +11,11 @@
     QWidget,
 )
 
+from ert._c_wrappers.analysis import correlation_threshold
 from ert.gui.ertwidgets.models.analysismodulevariablesmodel import (
     AnalysisModuleVariablesModel,
 )
 from ert.libres_facade import LibresFacade
-from ert._c_wrappers.analysis import correlation_threshold
 
 
 class AnalysisModuleVariablesPanel(QWidget):
diff --git a/tests/unit_tests/analysis/test_es_update.py b/tests/unit_tests/analysis/test_es_update.py
index 8f9ad8b8e0a..ff3aa5bee4f 100644
--- a/tests/unit_tests/analysis/test_es_update.py
+++ b/tests/unit_tests/analysis/test_es_update.py
@@ -5,19 +5,18 @@
 import numpy as np
 
 rng = np.random.default_rng()
-from scipy.linalg import toeplitz
-
 import pandas as pd
 import pytest
 from iterative_ensemble_smoother import IterativeEnsembleSmoother
+from scipy.linalg import toeplitz
 
 from ert import LibresFacade
 from ert.__main__ import ert_parser
 from ert._c_wrappers.enkf import EnKFMain, EnkfNode, NodeId, ResConfig, RunContext
 from ert.analysis import ErtAnalysisError, ESUpdate
 from ert.analysis._es_update import (
-    _create_temporary_parameter_storage,
     _correlated_parameter_response_pairs,
+    _create_temporary_parameter_storage,
 )
 from ert.cli import ENSEMBLE_EXPERIMENT_MODE, ENSEMBLE_SMOOTHER_MODE
 from ert.cli.main import run_cli
@@ -496,7 +495,7 @@ def test_update_multiple_param(copy_case):
 def test_correlated_parameter_response_pair():
     p = 4
     m = 2
-    N = 1000
+    N = 2000
     rho = 0.9
     # Correlation matrix or AR(1) model
     R = toeplitz([rho**i for i in range(p + m)])