keyword arguments highlighted inside of builtin object constructors

Author: Michael Doronin

syntax/python.vim

@@ -431,7 +431,7 @@ if s:Enabled("g:python_highlight_builtin_objs")
   syn keyword pythonBuiltinObj	None
   syn keyword pythonBoolean		True False
   syn keyword pythonBuiltinObj	Ellipsis NotImplemented
-  syn match pythonBuiltinObj	'\v(\.)@<!<(object|bool|int|float|tuple|str|list|dict|set|frozenset|bytearray|bytes)>'
+  syn match pythonBuiltinObj	'\v(\.)@<!<(object|bool|int|float|tuple|str|list|dict|set|frozenset|bytearray|bytes)>' nextgroup=FunctionParameters
   syn keyword pythonBuiltinObj	__debug__ __doc__ __file__ __name__ __package__
   syn keyword pythonBuiltinObj	__loader__ __spec__ __path__ __cached__
 endif