使用 androcsign.py 遇到问题，求高手指导

Question

impossible to find Lcom/plankton/device/android/service/AndroidMDKService; onStart (Landroid/content/Intent; I)V
Traceback (most recent call last):
File "./androcsign.py", line 67, in
main(options, arguments)
File "./androcsign.py", line 42, in main
ret = s.add_file( open( options.input, "rb" ).read() )
File "./elsim/elsim/elsign/dalvik_elsign.py", line 506, in add_file
return self.pcs.add_file(srules)
File "./elsim/elsim/elsign/dalvik_elsign.py", line 420, in add_file
raise("ooo")
TypeError: exceptions must be old-style classes or derived from BaseException, not str