simplify

AUTHORS

@@ -46,4 +46,5 @@ Patches and Suggestions
 - Josselin Jacquard
 - Travis N. Vaught
 - Fredrik Möllerstrand
-- Daniel Hengeveld
+- Daniel Hengeveld
+- Dan Head

requests/async.py

@@ -32,8 +32,9 @@ def patched(f):
     """Patches a given API function to not send."""
 
     def wrapped(*args, **kwargs):
-        new_kwargs = dict(kwargs)
-        new_kwargs['return_response'] = False
+
+        kwargs['return_response'] = False
+
         return f(*args, **kwargs)
 
     return wrapped