Add Epub Book Error

[vendforce]

Database returned no paths for settings... Available parsers: .epub .mobi .azw .azw3 .azw4 .prc .cbz .cbr Database returned nothing Exception in thread Thread-1: multiprocessing.pool.RemoteTraceback: """ Traceback (most recent call last): File "/usr/lib/python3.6/multiprocessing/pool.py", line 119, in worker result = (True, func(*args, *kwds)) File "/usr/lib/python3.6/multiprocessing/pool.py", line 44, in mapstar return list(map(args)) File "/user/Lector-dev/sorter.py", line 165, in read_book book_ref.read_book() File "/user/Lector-dev/parsers/epub.py", line 37, in read_book contents_found = self.book_ref.read_epub() File "/user/Lector-dev/ePub/read_epub.py", line 43, in read_epub self.generate_book_metadata(contents_path) File "/user/Lector-dev/ePub/read_epub.py", line 129, in generate_book_metadata self.book['year'] = int(self.book['year'][:4]) ValueError: invalid literal for int() with base 10: '[c19' """

The above exception was the direct cause of the following exception:

Traceback (most recent call last): File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner self.run() File "/usr/lib/python3.6/threading.py", line 864, in run self._target(*self._args, **self._kwargs) File "/user/Lector-dev/sorter.py", line 253, in pool_creator self.read_book, self.file_list) File "/usr/lib/python3.6/multiprocessing/pool.py", line 266, in map return self._map_async(func, iterable, mapstar, chunksize).get() File "/usr/lib/python3.6/multiprocessing/pool.py", line 644, in get raise self._value ValueError: invalid literal for int() with base 10: '[c19'

Finished processing in 0.06375956535339355

[BasioMeusPuga]

Trivial fix for next commit.