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give a better error message when deleting ()

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Benjamin Peterson 2009-06-13 17:08:53 +00:00
parent 5d1ff94b9e
commit 52c4bec76b
2 changed files with 13 additions and 4 deletions
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11
Python/ast.c
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@ -402,10 +402,13 @@ set_context(struct compiling *c, expr_ty e, expr_context_ty ctx, const node *n)
s = e->v.List.elts;
break;
case Tuple_kind:
if (asdl_seq_LEN(e->v.Tuple.elts) == 0)
return ast_error(n, "can't assign to ()");
e->v.Tuple.ctx = ctx;
s = e->v.Tuple.elts;
if (asdl_seq_LEN(e->v.Tuple.elts)) {
e->v.Tuple.ctx = ctx;
s = e->v.Tuple.elts;
}
else {
expr_name = "()";
}
break;
case Lambda_kind:
expr_name = "lambda";