Issue with Scanned PDFs

[uber1geek]

I get this error for some pdf files, i guess this happens because some pdf's have the contents as an image (scanned pdf).

Traceback (most recent call last):
File "pdfencrypt.py", line 47, in
main()
File "pdfencrypt.py", line 44, in main
set_password(file, args.user_password, args.owner_password)
File "pdfencrypt.py", line 20, in set_password
for i in range(0, input_file.getNumPages()):
File "/Library/Python/2.7/site-packages/PyPDF2/pdf.py", line 1155, in getNumPages
self.flatten()
File "/Library/Python/2.7/site-packages/PyPDF2/pdf.py", line 1505, in flatten
catalog = self.trailer["/Root"].getObject()
File "/Library/Python/2.7/site-packages/PyPDF2/generic.py", line 516, in __getitem
return dict.getitem(self, key).getObject()
File "/Library/Python/2.7/site-packages/PyPDF2/generic.py", line 178, in getObject
return self.pdf.getObject(self).getObject()
File "/Library/Python/2.7/site-packages/PyPDF2/pdf.py", line 1604, in getObject
% (indirectReference.idnum, indirectReference.generation, idnum, generation))
PyPDF2.utils.PdfReadError: Expected object ID (5 0) does not match actual (4 0); xref table not zero-indexed.

[Ikmel]

I have the same issue!!!