[FIX] extra blank spaces

Author: David García

Diff for: subscription_oca/views/res_partner_views.xml

@@ -9,10 +9,10 @@
             <div name="button_box" position="inside">
                 <field name="subscription_ids" invisible="1" />
                 <button 
-                    type="object" 
-                    class="oe_stat_button" 
-                    icon="fa-recycle" 
-                    name="action_view_subscription_ids" 
+                    type="object"
+                    class="oe_stat_button"
+                    icon="fa-recycle"
+                    name="action_view_subscription_ids"
                     attrs="{'invisible': [('subscription_ids', '=', False)]}"
                 >
                     <div class="o_form_field o_stat_info">