PayIn "execution_date" should be a datetime instead of date

[jcerjak]

As per response examples in docs for viewing a PayIn, the response contains ExecutionDate which is a timestamp and can be converted into a datetime:

...
>>> import datetime, import requests
>>> response = requests.get(f'{api_url}/v2.01/{client_id}/payins/{payin_id}/', auth=(client_id, api_key))
>>> datetime.datetime.fromtimestamp(response.json()['ExecutionDate'])
datetime.datetime(2020, 11, 23, 12, 24, 28)

But the python client returns a date:

...
>>> import mangopay
>>> from mangopay.resources import PayIn
>>> mangopay.client_id = client_id
>>> mangopay.apikey = api_key
>>> mangopay.sandbox = True
>>> payin = mangopay.resources.PayIn.get(payin_id)
>>> payin.execution_date
datetime.date(2020, 11, 23)

Please update the client to also return a datetime. Thanks!

[mangomaxoasis]

Hi @jcerjak
I'll look into it

[selinfildis]

@mangomaxoasis
Can we also do this for other unix timestamps?
the ones we require are bellow:

• Wallet: creation_date
• Transfer: creation_date, execution_date
• Card: creation_date
• Card Registration: creation_date
• Payin: execution_date
• DirectPayin: creation_date
• PreAuthorisation: expiration_date
• BankAccount: creation_date
• BankWirePayOut: execution_date
• Refund: execution_date
• Transaction: execution_date
• Repudiation: execution_date
• UboDeclaration: creation_date

If you don't have the time, we can create a PR for this to be reviewed. cc: @berkkarahan @tayfun