[FIX] total_rule_max input parameter type only tuple

models/hr_payslip.py

@@ -528,21 +528,15 @@ class HRPayslip(models.Model):
         Get the max total of totals with a rule given from
         date_to (by default payslip date_to or today) to the given months back
         """
-        if type(rule_code) == str:
-             query = self._build_rule_total_max_query()
-             total_max = float(self.query_rule_result(query, rule_code, months_back,
-                                               date_to, *args, **kwargs))
-        else:
-            aux_list = []
-            for rulecode in rule_code:
-                query = self._build_rule_total_max_query()
-                total_max = float(self.query_rule_result(query, rulecode, months_back,
+        
+        query = self._build_rule_total_max_query()
+        total_max = float(self.query_rule_result(query, rule_code, months_back,
                                                date_to, *args, **kwargs))
-                aux_list.append(total_max)
-            total_max = max(aux_list)
+        return total_max
+        
 
 
-        return total_max
+        
 
     def rule_month(self, rule_code, months_back=0,
                    date_to=False, *args, **kwargs):