lib/sec_id/sedol.rb in sec_id-4.0.0 vs lib/sec_id/sedol.rb in sec_id-4.1.0

@@ -15,12 +15,14 @@
       @identifier = sedol_parts[:identifier]
       @check_digit = sedol_parts[:check_digit]&.to_i
     end
 
     def calculate_check_digit
-      return mod10(weighted_sum) if valid_format?
+      unless valid_format?
+        raise InvalidFormatError, "SEDOL '#{full_number}' is invalid and check-digit cannot be calculated!"
+      end
 
-      raise InvalidFormatError, "SEDOL '#{full_number}' is invalid and check-digit cannot be calculated!"
+      mod10(weighted_sum)
     end
 
     private
 
     # NOTE: I know this isn't the most idiomatic Ruby code, but it's the fastest one