diff --git a/modules/purchase_trade/purchase.py b/modules/purchase_trade/purchase.py
index a5046ed..f8848b0 100755
--- a/modules/purchase_trade/purchase.py
+++ b/modules/purchase_trade/purchase.py
@@ -623,6 +623,11 @@ class Line(metaclass=PoolMeta):
     )
 
     finished = fields.Boolean("Mark as finished")
+
+    @classmethod
+    def default_finished(cls):
+        return False
+
     
     @fields.depends('product')
     def on_change_with_attribute_set(self, name=None):
diff --git a/modules/purchase_trade/sale.py b/modules/purchase_trade/sale.py
index 2db8cd6..3e6782d 100755
--- a/modules/purchase_trade/sale.py
+++ b/modules/purchase_trade/sale.py
@@ -622,6 +622,10 @@ class SaleLine(metaclass=PoolMeta):
     pricing_rule = fields.Text("Pricing description")
     price_composition = fields.One2Many('price.composition','sale_line',"Price composition")
 
+    @classmethod
+    def default_finished(cls):
+        return False
+    
     @property
     def report_fixing_rule(self):
         pricing_rule = ''
diff --git a/modules/purchase_trade/view/position_bi_graph.xml b/modules/purchase_trade/view/position_bi_graph.xml
index 17796d6..6046727 100644
--- a/modules/purchase_trade/view/position_bi_graph.xml
+++ b/modules/purchase_trade/view/position_bi_graph.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0"?>
 <form>
-    <field name="metabase" widget="html_viewer" height="2800"/>
+    <field name="metabase"/>
+    <!-- <field name="metabase" widget="html_viewer" height="2800"/> -->
 </form>
\ No newline at end of file