Ensure `pull` and `put` not in response

[klahnakoski]

All the select properties are from the internal parser. They should be from the original expression.

		{
			"name":".",
			"pull":"<function output at 0x7fca8a164de8>",
			"put":{"child":"etl.source.machine.os","index":0,"name":"."},
			"value":"etl.source.machine.os.~s~"
		}