revert the changes done for issue14826 - quoting witin Request is not desirable.

Lib/test/test_urllib.py

@@ -1246,11 +1246,6 @@ class URLopener_Tests(unittest.TestCase):
 #         ftp.close()
 
 
-    def test_quote_url(self):
-        Request = urllib.request.Request
-        request = Request("http://www.python.org/foo bar")
-        self.assertEqual(request.full_url, "http://www.python.org/foo%20bar")
-
 
 def test_main():
     support.run_unittest(

Lib/urllib/request.py

@@ -181,7 +181,6 @@ class Request:
                  origin_req_host=None, unverifiable=False):
         # unwrap('<URL:type://host/path>') --> 'type://host/path'
         self.full_url = unwrap(url)
-        self.full_url = quote(self.full_url, safe="%/:=&?~#+!$,;'@()*[]|")
         self.full_url, self.fragment = splittag(self.full_url)
         self.data = data
         self.headers = {}

Misc/NEWS

@@ -87,11 +87,6 @@ Core and Builtins
 Library
 -------
 
-- Issue #14826: Quote urls in urllib.request.Request similar to how they are
-  quoted by urllib.request.URLopener. Allows urls to spaces in them to work
-  transparently with urllib.request.urlopen(...). Patch contributed by Stephen
-  Thorne.
-
 - Issue #14990: Correctly fail with SyntaxError on invalid encoding
   declaration.