diff --git a/exposan/pm2_ecorecover/README.rst b/exposan/pm2_ecorecover/README.rst
index c2a7ddb0..9796068d 100644
--- a/exposan/pm2_ecorecover/README.rst
+++ b/exposan/pm2_ecorecover/README.rst
@@ -4,7 +4,7 @@ pm2_ecorecover: Calibration & Validation of Phototrophic-Mixotrophic Process Mod
 
 Summary
 -------
-This module is used to calibrate and validate the Phototrophic-Mixotrophic Process Model (PM2; ``qsdsan.processes.PM2``) using the continuous online monitoring data from the EcoRecover plant. Note that the package `optuna <https://optuna.org/>`_ is needed to run the calibration script.
+This module is used to calibrate and validate the Phototrophic-Mixotrophic Process Model (PM2; ``qsdsan.processes.PM2``) using the continuous online monitoring data from the EcoRecover plant. Note that the package `optuna <https://optuna.org/>`_ is needed to run the calibration script and the package `scikit-fda <https://pypi.org/project/scikit-fda/>`_ is needed to run the data cleaning script.
 
 .. figure:: ./readme_figures/pm2_ecorecover.svg
 
diff --git a/pytest.ini b/pytest.ini
index cbc3d078..9303d042 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -17,6 +17,7 @@ addopts =
 	--ignore-glob='exposan/new_generator/**'
 	--ignore-glob='exposan/pm2_batch/calibration.py'
 	--ignore-glob='exposan/pm2_ecorecover/calibration.py'
+	--ignore-glob='exposan/pm2_ecorecover/data_cleaning.py'
 	--ignore-glob='exposan/pou_disinfection/analyses/**'
 norecursedirs = 
 	build