diff --git a/contract.xml b/contract.xml
index e0203b2..859ad8e 100644
--- a/contract.xml
+++ b/contract.xml
@@ -40,6 +40,7 @@
 	<field name="name">Running</field>
 	<field name="sequence" eval="30"/>
 	<field name="domain" eval="[('state', '=', 'running')]" pyson="1"/>
+	<field name="count" eval="True"/>
 	<field name="act_window" ref="act_contract_form"/>
     </record>
     <record model="ir.action.act_window.domain"
@@ -47,6 +48,7 @@
 	<field name="name">Closed</field>
 	<field name="sequence" eval="40"/>
 	<field name="domain" eval="[('state', '=', 'closed')]" pyson="1"/>
+	<field name="count" eval="True"/>
 	<field name="act_window" ref="act_contract_form"/>
     </record>
     <record model="ir.action.act_window.domain"
diff --git a/maintenance.py b/maintenance.py
index c1ed2cf..0635f45 100644
--- a/maintenance.py
+++ b/maintenance.py
@@ -13,7 +13,7 @@ from trytond.modules.product import price_digits
 import datetime
 from datetime import timedelta
 
-from scipy.stats import t
+#from scipy.stats import t
 import matplotlib.pyplot as plt
 import numpy as np
 import math as mt