If the page is deleted and the bot doesnt have a sysop account, delete.py attempts to recreate it by marking it for deletion.
Without sysop account:
$ python pwb.py delete -page:'Test page'
Enter a reason for the deletion: It already is deleted
Processing page Test page
Can't delete [[en:Test page]]; do you want to mark it for deletion instead? ([Y]es, [N]o, [A]ll) Y
Sleeping for 7.0 seconds, 2014-08-05 09:03:50
Traceback (most recent call last):
File "pwb.py", line 166, in <module>
run_python_file(fn, argv, argvu)
File "pwb.py", line 67, in run_python_file
exec(compile(source, filename, "exec"), main_mod.__dict__)
File "scripts/delete.py", line 140, in <module>
main()
File "scripts/delete.py", line 133, in main
bot.run()
File "scripts/delete.py", line 75, in run
page.delete(self.summary, not self.getOption('always'))
File ".../pywikibot/__init__.py", line 476, in wrapper
return method(*__args, **__kw)
File ".../pywikibot/page.py", line 1475, in delete
return self.save(comment=reason)
File ".../pywikibot/__init__.py", line 476, in wrapper
return method(*__args, **__kw)
File ".../pywikibot/page.py", line 942, in save
**kwargs)
File ".../pywikibot/page.py", line 953, in _save
watch=watchval, bot=botflag, **kwargs)
File ".../pywikibot/site.py", line 575, in callee
return fn(self, *args, **kwargs)
File ".../pywikibot/site.py", line 2942, in editpage
raise LockedPage(errdata['title'])pywikibot.exceptions.LockedPage: Page Test page is locked.
<class 'pywikibot.exceptions.LockedPage'>
Version: core-(2.0)
Severity: normal