diff --git a/experiment/__pycache__/changepoint_module.cpython-39.pyc b/experiment/__pycache__/changepoint_module.cpython-39.pyc
index 27ec64c..54e18ab 100644
Binary files a/experiment/__pycache__/changepoint_module.cpython-39.pyc and b/experiment/__pycache__/changepoint_module.cpython-39.pyc differ
diff --git a/experiment/experiment.py b/experiment/experiment.py
index 31f4eb5..9f6a90d 100644
--- a/experiment/experiment.py
+++ b/experiment/experiment.py
@@ -107,7 +107,7 @@
             
             elif m.__name__ == 'cusum_2s_ps':
                 kargs = {'y':y, 'w':w0, 'delta':delta, 'h':h, 
-                         'rl':rl, 'k':k, 'ka':ka, 
+                         'rl':rl, 'ka':ka, 
                          'alpha_norm':alpha_norm, 'alpha_stat':alpha_stat, 
                          'filt_per':filt_per, 'max_var':max_var, 
                          'cs_max':cs_max}