diff --git a/erpnext/buying/doctype/supplier_scorecard_period/supplier_scorecard_period.py b/erpnext/buying/doctype/supplier_scorecard_period/supplier_scorecard_period.py
index 15ba3f9..737ddd6 100644
--- a/erpnext/buying/doctype/supplier_scorecard_period/supplier_scorecard_period.py
+++ b/erpnext/buying/doctype/supplier_scorecard_period/supplier_scorecard_period.py
@@ -61,8 +61,8 @@
 		return weighed_score
 
 
-	def get_eval_statement(self, input):
-		my_eval_statement = input.replace("\r", "").replace("\n", "")
+	def get_eval_statement(self, formula):
+		my_eval_statement = formula.replace("\r", "").replace("\n", "")
 
 		for var in self.variables:
 				if var.value:
diff --git a/erpnext/patches/v10_0/allow_operators_in_supplier_scorecard.py b/erpnext/patches/v10_0/allow_operators_in_supplier_scorecard.py
index 27478f3..827f9bc 100644
--- a/erpnext/patches/v10_0/allow_operators_in_supplier_scorecard.py
+++ b/erpnext/patches/v10_0/allow_operators_in_supplier_scorecard.py
@@ -5,6 +5,10 @@
 import frappe
 
 def execute():
+	frappe.reload_doc('buying', 'doctype', 'supplier_scorecard_criteria')
+	frappe.reload_doc('buying', 'doctype', 'supplier_scorecard_scoring_criteria')
+	frappe.reload_doc('buying', 'doctype', 'supplier_scorecard')
+
 	for criteria in frappe.get_all('Supplier Scorecard Criteria', fields=['name', 'formula'], limit_page_length=None):
 		frappe.db.set_value('Supplier Scorecard Criteria', criteria.name,
 			'formula', criteria.formula.replace('&lt;','<').replace('&gt;','>'))