This methods show same dialog
sublime.message_dialog( ‘adfs’ )
sublime.error_message( ‘asdf’ )

expect that error_message will show something with red icon, but it is green

Also it has no method described at API http://www.sublimetext.com/docs/3/api_reference.html

File “/home/kes/.config/sublime-text-3/Packages/Example/Example.py”, line 10, in run
sublime.yes_no_cancel_dialog( ‘1’ )
AttributeError: ‘module’ object has no attribute ‘yes_no_cancel_dialog’

one more: AttributeError: ‘module’ object has no attribute ‘expand_variables’

Are you sure?

These methods are only present in the latest DEV build:
sublimetext.com/3dev

my build 3065

I have upgraded to 3083.

sublime.error_message(‘a’) still shows green icon not red cross