Add project files.

env/Lib/site-packages/pip/_vendor/cachecontrol/compat.py

@@ -0,0 +1,20 @@
+try:
+    from urllib.parse import urljoin
+except ImportError:
+    from urlparse import urljoin
+
+
+try:
+    import cPickle as pickle
+except ImportError:
+    import pickle
+
+
+from pip._vendor.requests.packages.urllib3.response import HTTPResponse
+from pip._vendor.requests.packages.urllib3.util import is_fp_closed
+
+# Replicate some six behaviour
+try:
+    text_type = (unicode,)
+except NameError:
+    text_type = (str,)