Running transaction (shutdown inhibited)
  Updating   : python-requests-2.5.3-2.fc21.noarch                                                                                                                                                             1/2
Error unpacking rpm package python-requests-2.5.3-2.fc21.noarch
error: unpacking of archive failed on file /usr/lib/python2.7/site-packages/requests/packages/chardet: cpio: rename
python-requests-1.2.3-5.fc20.noarch was supposed to be removed but is not!
  Verifying  : python-requests-1.2.3-5.fc20.noarch                                                                                                                                                             1/2
  Verifying  : python-requests-2.5.3-2.fc21.noarch                                                                                                                                                             2/2

Failed:
  python-requests.noarch 0:1.2.3-5.fc20                                                                    python-requests.noarch 0:2.5.3-2.fc21

Complete!