Update request urllib3 (#464)

* requests: updated to version 2.27.1

* urllib3: updated to version 1.26.18

lib/requests/api.py

@@ -16,7 +16,7 @@ from . import sessions
 def request(method, url, **kwargs):
     """Constructs and sends a :class:`Request <Request>`.
 
-    :param method: method for the new :class:`Request` object.
+    :param method: method for the new :class:`Request` object: ``GET``, ``OPTIONS``, ``HEAD``, ``POST``, ``PUT``, ``PATCH``, or ``DELETE``.
     :param url: URL for the new :class:`Request` object.
     :param params: (optional) Dictionary, list of tuples or bytes to send
         in the query string for the :class:`Request`.
@@ -50,6 +50,7 @@ def request(method, url, **kwargs):
 
       >>> import requests
       >>> req = requests.request('GET', 'https://httpbin.org/get')
+      >>> req
       <Response [200]>
     """
 
@@ -71,7 +72,6 @@ def get(url, params=None, **kwargs):
     :rtype: requests.Response
     """
 
-    kwargs.setdefault('allow_redirects', True)
     return request('get', url, params=params, **kwargs)
 
 
@@ -84,7 +84,6 @@ def options(url, **kwargs):
     :rtype: requests.Response
     """
 
-    kwargs.setdefault('allow_redirects', True)
     return request('options', url, **kwargs)
 
 
@@ -92,7 +91,9 @@ def head(url, **kwargs):
     r"""Sends a HEAD request.
 
     :param url: URL for the new :class:`Request` object.
-    :param \*\*kwargs: Optional arguments that ``request`` takes.
+    :param \*\*kwargs: Optional arguments that ``request`` takes. If
+        `allow_redirects` is not provided, it will be set to `False` (as
+        opposed to the default :meth:`request` behavior).
     :return: :class:`Response <Response>` object
     :rtype: requests.Response
     """