Version-Release number of selected component:
cherrytree-0.30.5-1.fc19

Additional info:
reporter:       libreport-2.1.9
cmdline:        /usr/bin/python /usr/bin/cherrytree
executable:     /usr/bin/cherrytree
kernel:         3.11.9-200.fc19.x86_64
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
clipboard.py:257:to_plain_text:TypeError: GtkTextBuffer.insert() argument 2 must be string or read-only buffer, not None

Traceback (most recent call last):
  File "/usr/share/cherrytree/modules/clipboard.py", line 257, in to_plain_text
    self.dad.curr_buffer.insert(iter_insert, plain_text)
TypeError: GtkTextBuffer.insert() argument 2 must be string or read-only buffer, not None

Local variables in innermost frame:
selectiondata: <GtkSelectionData at 0x77b7100>
self: <clipboard.ClipboardHandler instance at 0x198da28>
plain_text: None
start_offset: 13
clipboard: <gtk.Clipboard object at 0x19b52d0 (GtkClipboard at 0x143f8b0)>
data: None
iter_insert: <GtkTextIter at 0x774ade0>