Ao are you saying you want to see the commas in the graph or are you just trying to display the dat properly in the graph?
If you create a small flow with an inject with some of the data connected to your graph and export it and past it not a reply it will be easier for us to see what you are doing.
In order to make code readable and usable it is necessary to surround your code with three backticks (also known as a left quote or backquote ```)
```
code goes here
```
You can edit and correct your post by clicking the pencil 
icon.
See this post for more details - How to share code or flow json
