“ We find no error in that action. An examination of the decisions of the Supreme Court of Oklahoma confirms the conclusion reached by the court below as to the uncertainty with which it was confronted and the consequent lack of the effective judicial remedy in the state cou ts which was contemplated by the Act of May 14, 1934. ”

“ The question presented on this appeal from the interlocutory order is whether the District Court had jurisdiction and, if so, whether it abused its discretion in issuing the injunction. State of Alabama v. United States, 279 U.S. 229, 231, 49 S.Ct. 266, 73 L.Ed. 675; National Fire Ins. Co. v. Thompson, 281 U.S. 331, 338, 50 S.Ct. 288, 74 L.Ed. 881; United Fuel Gas Co. v. ”