The following was filed automatically by anaconda:
anaconda 15.31 exception report
Traceback (most recent call first):
  File "/usr/lib64/python2.7/site-packages/pyanaconda/network.py", line 395, in update
    bootif_mac = flags.cmdline.get("BOOTIF")[3:].replace("-", ":").upper()
  File "/usr/lib64/python2.7/site-packages/pyanaconda/network.py", line 352, in __init__
    self.update()
  File "/usr/lib64/python2.7/site-packages/pyanaconda/__init__.py", line 154, in network
    self._network = network.Network()
  File "/usr/lib64/python2.7/site-packages/pyanaconda/iw/network_gui.py", line 54, in getScreen
    if len(self.anaconda.network.netdevices) == 0 or flags.imageInstall:
  File "/usr/lib64/python2.7/site-packages/pyanaconda/gui.py", line 1338, in setScreen
    new_screen = self.currentWindow.getScreen(anaconda)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/gui.py", line 1350, in setScreen
    return self.setScreen()
  File "/usr/lib64/python2.7/site-packages/pyanaconda/gui.py", line 1258, in nextClicked
    self.setScreen ()
TypeError: 'NoneType' object is not subscriptable