don't fetch author with cover aspect ratio

[RayBB]

Followup to #10776

See also: #10796

We were getting an error in some cases:

<class 'AssertionError'> at /books/OL32849056M
key account/ImportBot does not start with '/'
Python 	/openlibrary/infogami/infobase/client.py in get, line 324
Web 	GET http://testing.openlibrary.org/books/OL32849056M
Traceback (innermost first)

    /openlibrary/infogami/infobase/client.py in get
                assert key.startswith('/'), f"key {key} does not start with '/'" ...
    ▶ Local vars
    /openlibrary/openlibrary/core/models.py in info
                    d['author'] = d['author'] and self._site.get(d['author']) ...
    ▶ Local vars
    /openlibrary/openlibrary/core/models.py in get_aspect_ratio
                info = self.info() ...
    ▶ Local vars
    /openlibrary/openlibrary/plugins/upstream/models.py in get_cover_aspect_ratio
                    return cover.get_aspect_ratio() ...
    ▶ Local vars
    /openlibrary/openlibrary/templates/covers/book_cover.html in __template__
        $ cover_aspect_ratio = book.get_cover_aspect_ratio() ...
    ▶ Local vars
    /openlibrary/infogami/utils/template.py in saferender
                    result = t(*a, **kw) ...
    ▶ Local vars
    /openlibrary/infogami/utils/template.py in g
                    return f(*a, **kw) ...
    ▶ Local vars
    /openlibrary/infogami/utils/template.py in <lambda>
                    return lambda *a, **kw: saferender(templates, *a, **kw) ...
    ▶ Local vars
    /openlibrary/openlibrary/app.py in render_template
            return render[name](*a, **kw) ...
    ▶ Local vars
    /openlibrary/openlibrary/macros/databarWork.html in __template__
                  $:render_template('covers/book_cover', page, preload=True) ...
    ▶ Local vars
    /openlibrary/openlibrary/templates/type/edition/view.html in __template__
              $:macros.databarWork(edition or work, worldcat_links, affiliate_links, editions_page=True, render_times=component_times) ...
    ▶ Local vars
    /openlibrary/infogami/utils/template.py in saferender
                    result = t(*a, **kw) ...
    ▶ Local vars
    /openlibrary/infogami/utils/template.py in g
                    return f(*a, **kw) ...
    ▶ Local vars
    /openlibrary/infogami/utils/template.py in <lambda>
                    return lambda *a, **kw: saferender(templates, *a, **kw) ...
    ▶ Local vars
    /openlibrary/infogami/utils/template.py in template
                return t(page, *a, **kw) ...
    ▶ Local vars
    /openlibrary/infogami/utils/view.py in thingview
            return render.view(page) ...
    ▶ Local vars
    /openlibrary/openlibrary/templates/viewpage.html in __template__
        $ view = thingview(page) ...
    ▶ Local vars
    /openlibrary/infogami/utils/template.py in saferender
                    result = t(*a, **kw) ...
    ▶ Local vars
    /openlibrary/infogami/utils/template.py in g
                    return f(*a, **kw) ...
    ▶ Local vars
    /openlibrary/infogami/utils/template.py in <lambda>
                    return lambda *a, **kw: saferender(templates, *a, **kw) ...
    ▶ Local vars
    /openlibrary/infogami/core/code.py in GET
                    return render.viewpage(p) ...
    ▶ Local vars
    /openlibrary/infogami/utils/app.py in delegate
                return getattr(cls(), method)(*args) ...
    ▶ Local vars
    /openlibrary/infogami/utils/app.py in <lambda>
            HEAD = GET = POST = PUT = DELETE = lambda self: delegate() ...
    ▶ Local vars
    /home/openlibrary/.local/lib/python3.12/site-packages/web/application.py in handle_class
                    return tocall(*args) ...
    ▶ Local vars
    /home/openlibrary/.local/lib/python3.12/site-packages/web/application.py in _delegate
                    return handle_class(cls) ...
    ▶ Local vars
    /home/openlibrary/.local/lib/python3.12/site-packages/web/application.py in handle
                return self._delegate(fn, self.fvars, args) ...
    ▶ Local vars
    /home/openlibrary/.local/lib/python3.12/site-packages/web/application.py in process
                            return self.handle() ...
    ▶ Local vars 

Technical

Testing

Screenshot

Stakeholders

[cdrini]

Working like a charm now 👍 (This is likely from what appears to be a bug in the way ImportBot uploads covers.... 😬 )