[python-requests/f21] (4 commits) ...Fix requirement pinning again.

[Ralph Bean]

Summary of changes:

  ffa5143... Try a super basic test in %check. (*)
  bb1e96f... Pin python-urllib3 requirement at 1.10.0. (*)
  38792a5... Try to fix requirement pinning syntax. (*)
  86ffa4b... Fix requirement pinning again. (*)

(*) This commit already existed in another branch; no separate mail sent