This is not how you check that a dict contains keys.
This also break the contract of method `get_html` that may now return
`None`, which `get_pdf` does not handle.
This reverts commit 0d2fb541e8.
This is not how you check that a dict contains keys.
This also break the contract of method `get_html` that may now return
`None`, which `get_pdf` does not handle.
This reverts commit 0d2fb541e8.