Description of problem:
In custom partyitioning I type the name of the mount poitn, then I check " Reformet". On clicking the Update settings buttion, the system becomes non-responsive and after a while this error occures.
The following was filed automatically by anaconda:
anaconda 19.19-1 exception report
Traceback (most recent call first):
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 1214, in _save_right_side
    fs_type_changed or
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 2432, in on_apply_clicked
    self._save_right_side(self._current_selector)
NameError: global name 'fs_type_changed' is not defined

Version-Release number of selected component:
anaconda-19.19-1

Additional info:
cmdline:        /usr/bin/python  /sbin/anaconda
cmdline_file:   BOOT_IMAGE=/images/pxeboot/vmlinuz nomodeset ip=212.115.199.60::212.115.199.57:255.255.255.248:testsys.digifarma.nl::none noipv6 nameserver=212.115.199.57 inst.stage2=hd:LABEL=TEST_19 repo=http://thlin.digifarma.nl/fedora/releases/19-Alpha-RC3/Fedora/x86_64/os
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.9.0-0.rc6.git2.3.fc19.x86_64
product:        Fedora
release:        Cannot get release name.
type:           anaconda
version:        19-Alpha

Truncated backtrace:
Traceback (most recent call last):
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 2432, in on_apply_clicked
    self._save_right_side(self._current_selector)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/custom.py", line 1214, in _save_right_side
    fs_type_changed or
NameError: global name 'fs_type_changed' is not defined