Check code block on handle_data function

[SuelenKarbivnychyy]

On handle_data function line 245,

check about self.children.append(eval_result). ps: self.children is currently not being used.

code block:

if isinstance(eval_result, Component):
                        # this is a parent, right?
                        self.children.append(eval_result)      #TODO: Check with sanskar - this is a bug, we don't have self.children
                        return