[picardo]

Hi there,

When I try to convert EPUB files into MOBI files before sending them to my Kindle DX, it takes an unusually long time on Calibre, and at the end it fails with this error message:

Python function terminated unexpectedly
string index out of range (Error Code: 1)
Traceback (most recent call last):
File "site.py", line 103, in main
File "site.py", line 85, in run_entry_point
File "site-packages\calibre\utils\ipc\worker.py", line 99, in main
File "site-packages\calibre\gui2\convert\gui_conversion.py", line 24, in gui_convert
File "site-packages\calibre\ebooks\conversion\plumber.py", line 898, in run
File "site-packages\calibre\ebooks\mobi\output.py", line 182, in convert
File "site-packages\calibre\ebooks\mobi\writer.py", line 367, in __call__
File "site-packages\calibre\ebooks\mobi\writer.py", line 380, in _dump_stream
File "site-packages\calibre\ebooks\mobi\writer.py", line 395, in _generate_content
File "site-packages\calibre\ebooks\mobi\writer.py", line 1336, in _generate_images
File "site-packages\calibre\ebooks\mobi\writer.py", line 123, in rescale_image
File "site-packages\PIL\Image.py", line 653, in convert
File "site-packages\PIL\ImageFile.py", line 189, in load
File "site-packages\PIL\PngImagePlugin.py", line 349, in load_read
File "site-packages\PIL\PngImagePlugin.py", line 92, in read
File "site-packages\PIL\PngImagePlugin.py", line 40, in i32
IndexError: string index out of range