Error on TimeZone Field

Question

Image Preview [1]
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what i want to do in my custom form that is on image preview ...
what i have done .....
in Py
tz = fields.Selection('_tz_get', string='Timezone', required=True,                default=lambda self: self.env.user.tz or 'UTC')
in XML
<field name="tz"/>​

Error is

object has no attribute '_tz_get' any solution please

[1] https://ibb.co/3sjXh2k

Divyesh Patel · Accepted Answer

Hello,
Try this maybe it should work.
import pytz
date_tz = fields.Selection('_tz_get', string='Timezone', required=True, default=lambda self: self.env.user.tz or 'UTC')
@api.model
def _tz_get(self):
return [(x, x) for x in pytz.all_timezones]

GiusyG · Answer

Hello,
the definition of 'tz_get' is missing:
you must add in py file
import pytz @api.model
def _tz_get(self):
return [(x, x) for x in pytz.all_timezones]

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