fix in get other charges of sales_common.py
diff --git a/erpnext/selling/doctype/sales_common/sales_common.py b/erpnext/selling/doctype/sales_common/sales_common.py
index 5975e32..7c5bfad 100644
--- a/erpnext/selling/doctype/sales_common/sales_common.py
+++ b/erpnext/selling/doctype/sales_common/sales_common.py
@@ -207,21 +207,32 @@
 			if default: add_cond = 'ifnull(t2.is_default,0) = 1'
 			else: add_cond = 't1.parent = "'+cstr(obj.doc.charge)+'"'
 			idx = 0
-			other_charge = webnotes.conn.sql("select t1.charge_type,t1.row_id,t1.description,t1.account_head,t1.rate,t1.tax_amount,t1.included_in_print_rate, t1.cost_center_other_charges from `tabSales Taxes and Charges` t1, `tabSales Taxes and Charges Master` t2 where t1.parent = t2.name and t2.company = '%s' and %s order by t1.idx" % (obj.doc.company, add_cond), as_dict = 1)
+			other_charge = webnotes.conn.sql("""\
+				select t1.*
+				from
+					`tabSales Taxes and Charges` t1,
+					`tabSales Taxes and Charges Master` t2
+				where
+					t1.parent = t2.name and
+					t2.company = '%s' and
+					%s
+				order by t1.idx""" % (obj.doc.company, add_cond), as_dict=1)
+			from webnotes.model import default_fields
 			for other in other_charge:
-				d =	addchild(obj.doc, 'other_charges', 'Sales Taxes and Charges', 1, obj.doclist)
-				d.charge_type = other['charge_type']
-				d.row_id = other['row_id']
-				d.description = other['description']
-				d.account_head = other['account_head']
-				d.cost_center_other_charges = other['cost_center_other_charges']
-				d.rate = flt(other['rate'])
-				d.tax_amount = flt(other['tax_amount'])
-				d.included_in_print_rate = cint(other['included_in_print_rate'])
+				# remove default fields like parent, parenttype etc.
+				# from query results
+				for field in default_fields:
+					if field in other: del other[field]
+
+				d = addchild(obj.doc, 'other_charges', 'Sales Taxes and Charges', 1,
+						obj.doclist)
+				d.fields.update(other)
+				d.rate = flt(d.rate)
+				d.tax_amount = flt(d.tax_rate)
+				d.included_in_print_rate = cint(d.included_in_print_rate)
 				d.idx = idx
 				idx += 1
 			
-			
 	# Get TERMS AND CONDITIONS
 	# =======================================================================================
 	def get_tc_details(self,obj):