fix NoMethodError

undefined method `upcase' for nil:NilClass
matteoredz · Aug 31, 2023 · bb5f1d6 · bb5f1d6
1 parent 116cfd7
commit bb5f1d6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/itax_code/parser.rb b/lib/itax_code/parser.rb
@@ -19,7 +19,7 @@ class Parser
     InvalidTaxCodeError               = Class.new(Error)
 
     def initialize(tax_code, utils = Utils.new)
-      @tax_code = tax_code.upcase
+      @tax_code = tax_code.to_s.upcase
       raise NoTaxCodeError if @tax_code.blank?
       raise InvalidTaxCodeError unless Validator.standard_length?(@tax_code)