Simple cases don't work

[slavaGanzin]

Describe the bug

lingua_franca.parse.extract_datetime('in a week') == None #https://ludwig.guru/s/in+a+week
lingua_franca.parse.extract_datetime('a week ago') == None #https://ludwig.guru/s/week+ago
lingua_franca.parse.extract_datetime('3 hours later')[0].hour == lingua_franca.parse.extract_datetime('3 hours before')[0].hour #https://ludwig.guru/s/3+hours+before

'3 hours before now' works, as it should.

[krisgesling]

Thanks for flagging these Slava.

I very much hope you're staying safe too!