Using pyinfo.info_as_html() get error  "module 'cgi' has no attribute 'escape' "  in file  renderers.py

This a patch for  file  renderers.py

```
2,3c2
< import cgi
< 
---
> import html as html2
85c84
<             v = cgi.escape(str(data[k]))
---
>             v = html2.escape(str(data[k]))
```