§ 105. Doing in concert of certain acts as constituting unlawful combination or conspiracy subjecting person to injunctive remedies

No court of the United States shall have jurisdiction to issue a restraining order or temporary or permanent injunction upon the ground that any of the persons participating or interested in a labor dispute constitute or are engaged in an unlawful combination or conspiracy because of the doing in concert of the acts enumerated in section 104 of this title .