try: from urllib.parse import urljoin except ImportError: from urlparse import urljoin try: import cPickle as pickle except ImportError: import pickle # Handle the case where the requests module has been patched to not have # urllib3 bundled as part of its source. try: from pip._vendor.requests.packages.urllib3.response import HTTPResponse except ImportError: from pip._vendor.urllib3.response import HTTPResponse try: from pip._vendor.requests.packages.urllib3.util import is_fp_closed except ImportError: from pip._vendor.urllib3.util import is_fp_closed # Replicate some six behaviour try: text_type = unicode except NameError: text_type = str