abrt 1.0.0 detected a crash.

How to reproduce
-----
1.open supplamentary .tex file (bibliography)
2.asked to select master file
3.select master file


backtrace
-----
Summary: TB340483bb editor.py:305:__parse:IOError: [Errno 2] No such file or directory: ''

Traceback (most recent call last):
  File "/usr/lib/gedit-2/plugins/GeditLaTeXPlugin/src/base/decorators.py", line 650, in _on_load
    self._adjust_editor()
  File "/usr/lib/gedit-2/plugins/GeditLaTeXPlugin/src/base/decorators.py", line 707, in _adjust_editor
    editor_class.__init__(self._editor, self, file)
  File "/usr/lib/gedit-2/plugins/GeditLaTeXPlugin/src/base/__init__.py", line 403, in __init__
    self.init(file, self._window_context)
  File "/usr/lib/gedit-2/plugins/GeditLaTeXPlugin/src/latex/editor.py", line 105, in init
    self.__parse()
  File "/usr/lib/gedit-2/plugins/GeditLaTeXPlugin/src/latex/editor.py", line 305, in __parse
    master_content = open(master_file.path).read()
IOError: [Errno 2] No such file or directory: ''

Local variables in innermost frame:
content: \begin{tocbibliography}{}
\bibitem[Zeeman(1897)]{zee_97}Zeeman P., 1897, Nature, 55, 347
\end{tocbibliography}

self: <GeditLaTeXPlugin.src.latex.editor.LaTeXEditor object at 0x8fd4fac>
master_file: file://phd_prop.tex
t: 1.26

cmdline: gedit references.tex 
component: gedit
executable: /usr/lib/gedit-2/plugins
kernel: 2.6.31.6-166.fc12.i686
package: gedit-1:2.28.0-1.fc12
uuid: 340483bb