Use getattr for better performance

__getattribute__ is called everytime any attribute is accessed on
  request. It catches AttributeErrors in order to proxy to the
  underlying request. getattr is called, by python, whenever an
  attribute is missing and has a much lower overhead.

rest_framework/request.py

@@ -346,11 +346,24 @@ class Request(object):
         else:
             self.auth = None
 
-    def __getattribute__(self, attr):
+    def __getattr__(self, attr):
         """
         If an attribute does not exist on this instance, then we also attempt
         to proxy it to the underlying HttpRequest object.
         """
+        try:
+            return getattr(self._request, attr)
+        except AttributeError:
+            # Call the original implementation of getattribute
+            # So the correct attribute error will get raised
+            self.__getattr_trace__(attr)
+
+    def __getattr_trace__(self, attr):
+        """
+        The original implementation of __getattribute__ which
+        generates correct tracebacks
+        See #2108 and #2530
+        """
         try:
             return super(Request, self).__getattribute__(attr)
         except AttributeError: