List of steps to reproduce:

• On a site enabled language converter (like zhwiki),
• visit a page contains graph generated by Extension:Graph, like this page,
• view this page from several different variant.

What happens?:
Language Converter does not work in graph, several variant has the same output.

What should have happened instead?:
It should work, like on that page the text in legend should have different views.

Software version (if not a Wikimedia wiki), browser information, screenshots, other information, etc.:
1.38.0-wmf.21 (ce757a7)