Python Linux Overgrive错误

尝试在overgrive上同步时出现以下错误：

[INFO] Linux-3.13.0-24-generic-x86_64-with-LinuxMint-17-qiana
[INFO] Desktop : default
[CONFIG] Loading User Settings GUI mode
Exception in thread Thread-1:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 810, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.7/threading.py", line 763, in run
    self.__target(*self.__args, **self.__kwargs)
  File "overgrive.py", line 5237, in doFullGoogleDriveSync
  File "overgrive.py", line 4981, in processGoogleDrive
  File "overgrive.py", line 4418, in processGooglePath
  File "overgrive.py", line 4576, in processGoogleDocsToLocal
  File "overgrive.py", line 3480, in downloadAndConvertGoogleDoc
KeyError: 'application/x-vnd.oasis.opendocument.spreadsheet'

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