Check File_size:
Spoiler:
calibre, version 0.7.54
ERROR: Unhandled exception: <b>TypeError</b>:coercing to Unicode: need string or buffer, NoneType found
Traceback (most recent call last):
File "calibre_plugins.quality_check.action", line 410, in check_and_update_file_sizes
File "calibre_plugins.quality_check.action", line 179, in check_all_files
File "calibre_plugins.quality_check.action", line 399, in evaluate_book
File "genericpath.py", line 18, in exists
TypeError: coercing to Unicode: need string or buffer, NoneType found
How do I figure out which book tripped this: Checking 369 of 2472
Is this the book ID#