Merge pull request #1048 from ib-lundgren/master

Swap prepare_auth and body

requests/models.py

@@ -194,8 +194,10 @@ class Request(RequestHooksMixin):
         p.prepare_url(self.url, self.params)
         p.prepare_headers(self.headers)
         p.prepare_cookies(self.cookies)
-        p.prepare_auth(self.auth)
         p.prepare_body(self.data, self.files)
+        # Note that prepare_auth most be last to enable authentication schemes
+        # such as OAuth to work on a fully prepared request.
+        p.prepare_auth(self.auth)
 
         return p