The Seventeenth Legislature, in regular session assembled, amended Sec. 17-504, A. C.A. 1939, entitled "Precinct officers," by purportedly extending the term of office of Justices of the Peace and Constables from two to four years. Laws 1945, ch. 69, sec. 1. The matter before us raises but one question and that is as to constitutionality and legality of this enactment.