enable i18n for the new error messages

1 files changed, 6 insertions, 6 deletions

diff --git a/TurtleArt/taprimitive.py b/TurtleArt/taprimitive.py
index 3d1feb3..b2d6683 100644
--- a/TurtleArt/taprimitive.py
+++ b/TurtleArt/taprimitive.py
@@ -267,18 +267,18 @@ class Primitive(object):
                 pos_value = new_arg_asts[0].n
                 return ast.Num(n=-pos_value)
             else:
-                raise PyExportError("minus sign (float.__neg__) got unexpected"
-                                    " arguments: " + repr(new_arg_asts) +
-                                    repr(new_kwarg_asts))
+                raise ValueError("minus sign (float.__neg__) got unexpected"
+                                 " arguments: " + repr(new_arg_asts) +
+                                 repr(new_kwarg_asts))
 
         # tuples
         elif self == Primitive.make_tuple:
             if not new_kwarg_asts:
                 return ast.Tuple(elts=new_arg_asts, ctx=ast.Load)
             else:
-                raise PyExportError("tuple constructor (Primitive.make_tuple) "
-                                    "got unexpected arguments: " +
-                                    repr(new_kwarg_asts))
+                raise ValueError("tuple constructor (Primitive.make_tuple) "
+                                 "got unexpected arguments: " +
+                                 repr(new_kwarg_asts))
 
         # group of Primitives
         elif self == Primitive.group: