fix: Replace target URL for DOI items

[stefanomunarini]

Fixes #332

[kesara]

Strange, that on macOS I can't produce the same mypy errors.
It doesn't complain.

[stefanomunarini]

Strange, that on macOS I can't produce the same mypy errors.
It doesn't complain.

I also cannot reproduce the errors in my local setup on MacOS, hence the many commits

[kesara]

Strange, that on macOS I can't produce the same mypy errors.
It doesn't complain.

I also cannot reproduce the errors in my local setup on MacOS, hence the many commits

Actually, I was able to get the same errors. Sorry, It was an error on my part not being able to produce errors.

[stefanomunarini]

Strange, that on macOS I can't produce the same mypy errors.
It doesn't complain.

I also cannot reproduce the errors in my local setup on MacOS, hence the many commits

Actually, I was able to get the same errors. Sorry, It was an error on my part not being able to produce errors.

Can you hint on what you had to change in your local setup to reproduce the error(s)?

[kesara]

Can you hint on what you had to change in your local setup to reproduce the error(s)?

Silly mistake, I was leaving the . at the end out. So mypy wasn't checking anything.

[stefanomunarini]

Can you hint on what you had to change in your local setup to reproduce the error(s)?

Silly mistake, I was leaving the . at the end out. So mypy wasn't checking anything.

Interesting. If I run mypy on my local machine, I get a totally different error:

EDIT: It seems like if I run "mypy ." it uses the global mypy, instead of the one installed in the virtualenv. I'll need to investigate on this one

Anyway, the PR is now ready to be merged @kesara