Fixes json serialization issues (#1606)
* fixed serialization
* formatting
* Update gradio/components.py
Co-authored-by: Marcelo Trylesinski <marcelotryle@gmail.com>
* Update gradio/components.py
Co-authored-by: aliabid94 <aabid94@gmail.com>
Co-authored-by: Marcelo Trylesinski <marcelotryle@gmail.com>
