Call to undefined method lang_python_main::import()

File phpython/lang/python/python.main.php -> class lang_python_main haven't any method import.
This method call from phython/phpython.php -> class phpython -> method import.

Steps to reproduce:

1. Clone this repository
2. Create two files: test.py and index.php

• test.py:
  print "hello, I'm python"
• index.php:
  <?php
require_once 'phpython/phpython.php';
phpython::import('test.py');

3. Run php index.php in console

Output from console:

PHP Fatal error: Uncaught Error: Call to undefined method lang_python_main::import() in /Users/Mac/Documents/project/Snappages/phpython/phpython/phpython.php:23
Stack trace:
#0 /Users/Mac/Documents/project/Snappages/phpython/index.php(6): phpython::import('hello.py')
#1 {main}
thrown in /Users/Mac/Documents/project/Snappages/phpython/phpython/phpython.php on line 23

Fatal error: Uncaught Error: Call to undefined method lang_python_main::import() in /Users/Mac/Documents/project/Snappages/phpython/phpython/phpython.php:23
Stack trace:
#0 /Users/Mac/Documents/project/Snappages/phpython/index.php(6): phpython::import('hello.py')
#1 {main}
thrown in /Users/Mac/Documents/project/Snappages/phpython/phpython/phpython.php on line 23