[binop 200] exit=0 binop n=200: function_key -> key
attach_function_keys -> keyed=1
[binop 5000] exit=0 binop n=5000: function_key RAISED RecursionError: maximum recursion depth exceeded
attach_function_keys RAISED RecursionError: maximum recursion depth exceeded
[attr 5000] exit=0 attr n=5000: function_key RAISED RecursionError: maximum recursion depth exceeded
[unary 5000] exit=0 unary n=5000: function_key RAISED RecursionError: maximum recursion depth exceeded
