CODE EXAMPLE FOR PYTHON

taberror inconsistent use of tabs and spaces in indentation sublime

In Sublime Text, while editing a Python file:

Sublime Text menu -> Preferences -> Settings: Syntax-Specific:

{
    "tab_size": 4,
    "translate_tabs_to_spaces": true
}

Or, 
In the bottom right of the editor, 
click the part of the status bar where it says "Tab size"
click "Convert Indentation to Spaces" to correct an existing file.