For House Republicans, "some diversity" means allowing a white woman to enter the committee room

As quoted in ‘The Only Republican Woman'.  (Roll Call, 11/30/2015)

Currently, of the 22 Republican members who serve on the House Committee on Science, Space & Technology, 21 are men and 1, Barbara Comstock of Virginia, is a woman.  All are white.

Currently, of the 25 voting Republican members wbo serve on the House Committee on Natural Resources, 24 are men and 1, Cynthia Lummis, is a woman.  All are white.

Currently, of the 25 voting Republican members wbo serve on the House Committee on Oversight and Government Reform, 24 are men and 1, Cynthia Lummis, is a woman.  All but one, Will Hurd of Texas, are white.

And yes, Lummis is the only woman among the "crazies".

Other Lummis posts:
Meet 'the crazies', the members of the U.S. House of Representatives' Freedom Caucus.  (10/15/2015)
No friend to the environment.  (9/30/2015)