Hi.  While trying to open a spectrum I get the following error message.  I get it when click the "Open spectra" button in the Open spectrum popup.  This error message is NOT always repeatable. 


>>> finished opening spectrum HccHcosy_v6 ire_HccHcosy2d_3200nt_061124
Exception in Tkinter callback
Traceback (most recent call last):
  File "/sw/lib/python2.4/lib-tk/Tkinter.py", line 1345, in __call__
    return self.func(*args)
  File "/sw/lib/python2.4/lib-tk/Tkinter.py", line 456, in callit
    func(*args)
  File "/home/douglas/Documents/Programs/software/analysis/ccpnmr/ccpnmr1.0/python/ccpnmr/analysis/EditSpectrumPopup.py", line 212, in update
    self.updateSpectrumList()
  File "/home/douglas/Documents/Programs/software/analysis/ccpnmr/ccpnmr1.0/python/ccpnmr/analysis/EditSpectrumPopup.py", line 295, in updateSpectrumList
    self.spectrum_list.update(objectList=spectra, textMatrix=textMatrix)
  File "/home/douglas/Documents/Programs/software/analysis/ccpnmr/ccpnmr1.0/python/memops/gui/ScrolledMatrix.py", line 1817, in update
    self.refreshScrollbars(reset=resetScrollbars)
  File "/home/douglas/Documents/Programs/software/analysis/ccpnmr/ccpnmr1.0/python/memops/gui/ScrolledMatrix.py", line 1861, in refreshScrollbars
    self.refreshButtons ()
  File "/home/douglas/Documents/Programs/software/analysis/ccpnmr/ccpnmr1.0/python/memops/gui/ScrolledMatrix.py", line 1170, in refreshButtons
    elif doEditMark(i+vo, j+ho):
  File "/home/douglas/Documents/Programs/software/analysis/ccpnmr/ccpnmr1.0/python/memops/gui/ScrolledMatrix.py", line 1230, in doEditMark
    return self.doEditMarkExtraRules(self.objectList[row], row, col)
  File "/home/douglas/Documents/Programs/software/analysis/ccpnmr/ccpnmr1.0/python/ccpnmr/analysis/EditSpectrumPopup.py", line 88, in doEditMarkExtraRules
    storedContourFiles = [x for x in spectrum.storedContourFiles if not x.isDeleted]
AttributeError: 'DataSource' object has no attribute 'storedContourFiles'