Revert "upgrade requests package to v2.7.0"

This reverts commit f5357a9e7b.

wakatime/packages/requests/cookies.py

@@ -6,7 +6,6 @@ Compatibility code to be able to use `cookielib.CookieJar` with requests.
 requests.utils imports from here, so be careful with imports.
 """
 
-import copy
 import time
 import collections
 from .compat import cookielib, urlparse, urlunparse, Morsel
@@ -303,7 +302,7 @@ class RequestsCookieJar(cookielib.CookieJar, collections.MutableMapping):
         """Updates this jar with cookies from another CookieJar or dict-like"""
         if isinstance(other, cookielib.CookieJar):
             for cookie in other:
-                self.set_cookie(copy.copy(cookie))
+                self.set_cookie(cookie)
         else:
             super(RequestsCookieJar, self).update(other)
 
@@ -360,21 +359,6 @@ class RequestsCookieJar(cookielib.CookieJar, collections.MutableMapping):
         return new_cj
 
 
-def _copy_cookie_jar(jar):
-    if jar is None:
-        return None
-
-    if hasattr(jar, 'copy'):
-        # We're dealing with an instane of RequestsCookieJar
-        return jar.copy()
-    # We're dealing with a generic CookieJar instance
-    new_jar = copy.copy(jar)
-    new_jar.clear()
-    for cookie in jar:
-        new_jar.set_cookie(copy.copy(cookie))
-    return new_jar
-
-
 def create_cookie(name, value, **kwargs):
     """Make a cookie from underspecified parameters.
 
@@ -415,14 +399,11 @@ def morsel_to_cookie(morsel):
 
     expires = None
     if morsel['max-age']:
-        try:
-            expires = int(time.time() + int(morsel['max-age']))
-        except ValueError:
-            raise TypeError('max-age: %s must be integer' % morsel['max-age'])
+        expires = time.time() + morsel['max-age']
     elif morsel['expires']:
         time_template = '%a, %d-%b-%Y %H:%M:%S GMT'
-        expires = int(time.mktime(
-            time.strptime(morsel['expires'], time_template)) - time.timezone)
+        expires = time.mktime(
+            time.strptime(morsel['expires'], time_template)) - time.timezone
     return create_cookie(
         comment=morsel['comment'],
         comment_url=bool(morsel['comment']),