[minor] fixes in queries and payment tool

erpnext/accounts/doctype/payment_tool/payment_tool.js

@@ -169,6 +169,10 @@ erpnext.payment_tool.validate_against_voucher = function(frm) {
 // validate against_voucher_type
 frappe.ui.form.on("Payment Tool Detail", "against_voucher_no", function(frm, cdt, cdn) {
 	var row = locals[cdt][cdn];
+	if (!row.against_voucher_no) {
+		return;
+	}
+
 	frappe.call({
 		method: 'erpnext.accounts.doctype.payment_tool.payment_tool.get_against_voucher_amount',
 		args: {

erpnext/controllers/queries.py

@@ -9,6 +9,7 @@ from frappe.utils import nowdate
 
 def get_filters_cond(doctype, filters, conditions):
 	if filters:
+		flt = filters
 		if isinstance(filters, dict):
 			filters = filters.items()
 			flt = []

erpnext/manufacturing/doctype/bom/bom.js

@@ -147,9 +147,7 @@ cur_frm.fields_dict['project_name'].get_query = function(doc, dt, dn) {
 cur_frm.fields_dict['items'].grid.get_field('item_code').get_query = function(doc) {
 	return{
 		query: "erpnext.controllers.queries.item_query",
-		filters: {
-			"name": "!" + cstr(doc.item)
-		}
+		filters: [["Item", "name", "!=", doc.item]]
 	}
 }