[fix] [minor] expense head get_query fixed in purchase invoice

accounts/doctype/purchase_invoice/purchase_invoice.js

@@ -172,16 +172,13 @@ return{
 	}	
 }
 
-cur_frm.fields_dict['entries'].grid.get_field("expense_head").get_query = function(doc) {
+cur_frm.set_query("expense_head", "entries", function(doc) {
 	return{
-		filters:{
-			'debit_or_credit':'Debit',
-			'account_type': 'Expense Account',
-			'group_or_ledger': 'Ledger',
-			'company': doc.company
-		}
-	}	
-}
+		query: "accounts.doctype.purchase_invoice.purchase_invoice.get_expense_account",
+		filters: {'company': doc.company}
+	}
+});
+
 cur_frm.cscript.expense_head = function(doc, cdt, cdn){
 	var d = locals[cdt][cdn];
 	if(d.idx == 1 && d.expense_head){

accounts/doctype/purchase_invoice/purchase_invoice.py

@@ -457,4 +457,18 @@ class DocType(BuyingController):
 					"UOM Conversion Detail", {"parent": d.item_code, "uom": d.uom}, 
 					"conversion_factor")) or 1
 		
-				d.rm_supp_cost = rm_cost * flt(d.qty) * flt(d.conversion_factor)
+				d.rm_supp_cost = rm_cost * flt(d.qty) * flt(d.conversion_factor)
+				
+@webnotes.whitelist()
+def get_expense_account(doctype, txt, searchfield, start, page_len, filters):
+	from controllers.queries import get_match_cond
+
+	return webnotes.conn.sql("""select tabAccount.name from `tabAccount` 
+			where (tabAccount.debit_or_credit="Debit" 
+					or tabAccount.account_type = "Expense Account") 
+				and tabAccount.group_or_ledger="Ledger" 
+				and tabAccount.docstatus!=2 
+				and tabAccount.company = '%(company)s' 
+				and tabAccount.%(key)s LIKE '%(txt)s'
+				%(mcond)s""" % {'company': filters['company'], 'key': searchfield, 
+			'txt': "%%%s%%" % txt, 'mcond':get_match_cond(doctype, searchfield)})

accounts/doctype/sales_invoice/sales_invoice.py

@@ -979,6 +979,7 @@ def get_bank_cash_account(mode_of_payment):
 		"cash_bank_account": val
 	}
 
+@webnotes.whitelist()
 def get_income_account(doctype, txt, searchfield, start, page_len, filters):
 	from controllers.queries import get_match_cond