diff --git a/taipy/gui/_renderers/builder.py b/taipy/gui/_renderers/builder.py
index fee6db420..ef2d73f8e 100644
--- a/taipy/gui/_renderers/builder.py
+++ b/taipy/gui/_renderers/builder.py
@@ -163,7 +163,9 @@ def _get_variable_hash_names(
                     looks_like_a_lambda = False
                     val = v
                 if callable(val):
+                    # if it's not a callable (and not a string), forget it
                     if val.__name__ == "<lambda>":
+                        # if it is a lambda and it has already a hash_name, we're fine
                         if looks_like_a_lambda or not hash_name:
                             hash_name = gui._get_lambda_id(val)
                             gui._bind_var_val(hash_name, val)  # type: ignore[arg-type]
diff --git a/taipy/gui/utils/_evaluator.py b/taipy/gui/utils/_evaluator.py
index 111d19ab0..598abbb5e 100644
--- a/taipy/gui/utils/_evaluator.py
+++ b/taipy/gui/utils/_evaluator.py
@@ -149,6 +149,7 @@ def __save_expression(
         if expr_hash is None:
             expr_hash = _get_expr_var_name(expr)
         elif not lambda_expr:
+            # if lambda expr, it has a hasname, we work with that
             # edge case, only a single variable
             expr_hash = f"tpec_{_get_client_var_name(expr)}"
         self.__expr_to_hash[expr] = expr_hash