24 from os.path import dirname, join, abspath

    24 from os.path import dirname, join, abspath

    25 from math import log

    25 from math import log

    26 from contextlib import contextmanager

    26 from contextlib import contextmanager

    27 from inspect import isgeneratorfunction

    27 from inspect import isgeneratorfunction

    28 from itertools import chain

    28 from itertools import chain

    29 

    30 

    30 from six import text_type, string_types

    31 from six import text_type, string_types

    31 from six.moves import range

    32 from six.moves import range

    32 from six.moves.urllib.parse import urlparse, parse_qs, unquote as urlunquote

    33 from six.moves.urllib.parse import urlparse, parse_qs, unquote as urlunquote

    33 

    34 

    54 

    55 

    55 if sys.version_info[:2] < (3, 4):

    56 if sys.version_info[:2] < (3, 4):

    56     from unittest2 import TestCase

    57     from unittest2 import TestCase

    57     if not hasattr(TestCase, 'subTest'):

    58     if not hasattr(TestCase, 'subTest'):

    58         raise ImportError('no subTest support in available unittest2')

    59         raise ImportError('no subTest support in available unittest2')

    59 else:

    61 else:

    60     from unittest import TestCase

    62     from unittest import TestCase

    61 

    64 

    62 # in python 2.7, DeprecationWarning are not shown anymore by default

    65 # in python 2.7, DeprecationWarning are not shown anymore by default

    63 warnings.filterwarnings('default', category=DeprecationWarning)

    66 warnings.filterwarnings('default', category=DeprecationWarning)

    64 

    67 

    65 

    68