Byte Order Marks
================

Files with byte order marks are properly handled


    >>> from findimports import find_imports

    >>> with open('utf8bom.py', 'w', encoding='UTF-8') as f: _ = f.write('''\ufeff
    ... import sys
    ... ''')
    >>> for imp in find_imports('utf8bom.py'):
    ...     print(imp)
    ImportInfo('sys', 'utf8bom.py', 2, None)
