require-python-3 contains this code:

	if sys.version_info[0] != 3:  
	    print("This script requires Python 3")  
	    exit()


## How to use

### Install package

Either:

1. Add ``require-python-3`` to your ``requirements.txt`` file and run ``pip3 install -r requirements.txt``
2. Or run directly: ``pip3 install require-python-3``
3. Or download [``require_python_3.py``](https://raw.githubusercontent.com/asperous/require-python-3/master/require_python_3.py) directly and put it next to your script sources

### Include model

Add ``import require_python_3`` to your scripts that require python 3.