Lint photos
Lint photos

- ;
- Long lines
- Fix ineffective escape of `\.` in a string.

I'm not sure the regex going into `file_name` is working as intended, but
removing the `\` has no effect on the output:

```
> encodeURIComponent('/\.jpe?g$/')
'%2F.jpe%3Fg%24%2F'
> encodeURIComponent('/.jpe?g$/')
'%2F.jpe%3Fg%24%2F'
```

Singly/hallway,Singly/hallway