Ticket #14659: DecimalField-accepting-floats-with-dots.patch

fields/__init__.py

@@ -758 +758 @@
         if value is None:
             return value
         try:
-            return decimal.Decimal(value)
+            return decimal.Decimal(str(value))
         except decimal.InvalidOperation:
             raise exceptions.ValidationError(self.error_messages['invalid'])