#26346: Error in makemigrations while changing DateTimeField default value from timezone aware datetime to naive datetime.now() -------------------------+------------------------------------------------- Reporter: | Owner: nobody shahzebiam | Type: Bug | Status: new Component: | Version: 1.8 Migrations | Keywords: migrations, datetimefield Severity: Normal | migration, makemigrations, default date Triage Stage: | Has patch: 0 Unreviewed | Easy pickings: 0 | UI/UX: 0 -------------------------+------------------------------------------------- I have a DateTimeField in a model in models.py which i have given a default value of django.utils.timezone.now(). When i changed the default value to datetime.datetime.now() and ran the makemigrations command, it gave me an error in autodetector.py
{{{ Traceback (most recent call last): File "manage.py", line 10, in <module> execute_from_command_line(sys.argv) File "C:\Python27\lib\site-packages\django\core\management\__init__.py", line 354, in execute_from_command_line utility.execute() File "C:\Python27\lib\site-packages\django\core\management\__init__.py", line 346, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "C:\Python27\lib\site-packages\django\core\management\base.py", line 394, in run_from_argv self.execute(*args, **cmd_options) File "C:\Python27\lib\site-packages\django\core\management\base.py", line 445, in execute output = self.handle(*args, **options) File "C:\Python27\lib\site- packages\django\core\management\commands\makemigrations.py", line 125, in handle migration_name=self.migration_name, File "C:\Python27\lib\site- packages\django\db\migrations\autodetector.py", line 43, in changes changes = self._detect_changes(convert_apps, graph) File "C:\Python27\lib\site- packages\django\db\migrations\autodetector.py", line 186, in _detect_changes self.generate_altered_fields() File "C:\Python27\lib\site- packages\django\db\migrations\autodetector.py", line 850, in generate_altered_fields if old_field_dec != new_field_dec: TypeError: can't compare offset-naive and offset-aware datetimes }}} as far as i know it is trying to compare a timezone aware date with a simple datetime which will not be possible for datetime objects. -- Ticket URL: <https://code.djangoproject.com/ticket/26346> Django <https://code.djangoproject.com/> The Web framework for perfectionists with deadlines. -- You received this message because you are subscribed to the Google Groups "Django updates" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-updates+unsubscr...@googlegroups.com. To post to this group, send email to django-updates@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/django-updates/053.d6e9a489fe8dc9a5a1d182b952a61a21%40djangoproject.com. For more options, visit https://groups.google.com/d/optout.