Traceback (most recent call last):


 "/usr/lib/python3.6/asyncio/events.py", line 145, in _run

self._callback(*self._args)


 "/home/dblewett/.virtualenvs/dragnet-0UOjSQS6/lib/python3.6/site-packages/tornado/platform/asyncio.py", line 122, in _handle_events

handler_func(fileobj, events)


 "/home/dblewett/.virtualenvs/dragnet-0UOjSQS6/lib/python3.6/site-packages/tornado/stack_context.py", line 300, in null_wrapper

return fn(*args, **kwargs)


 "/home/dblewett/.virtualenvs/dragnet-0UOjSQS6/lib/python3.6/site-packages/tornado/netutil.py", line 262, in accept_handler

callback(connection, address)


 "/home/dblewett/.virtualenvs/dragnet-0UOjSQS6/lib/python3.6/site-packages/tornado/tcpserver.py", line 263, in _handle_connection

do_handshake_on_connect=False)


 "/home/dblewett/.virtualenvs/dragnet-0UOjSQS6/lib/python3.6/site-packages/tornado/netutil.py", line 573, in ssl_wrap_socket

**kwargs)


 "/usr/lib/python3.6/ssl.py", line 407, in wrap_socket

_context=self, _session=session)


 "/usr/lib/python3.6/ssl.py", line 770, in __init__

raise ValueError("check_hostname requires server_hostname")
ValueError: check_hostname requires server_hostname

Traceback (most recent call last):


 "site-packages\calibre\utils\formatter.py", line 375, in safe_format


 "site-packages\calibre\utils\formatter.py", line 340, in evaluate


 "site-packages\calibre\utils\formatter.py", line 264, in _eval_program


 "site-packages\calibre\utils\formatter.py", line 106, in program


 "site-packages\calibre\utils\formatter.py", line 113, in statement


 "site-packages\calibre\utils\formatter.py", line 157, in expr


 "site-packages\calibre\utils\formatter.py", line 113, in statement


 "site-packages\calibre\utils\formatter.py", line 157, in expr


 "site-packages\calibre\utils\formatter.py", line 113, in statement


 "site-packages\calibre\utils\formatter.py", line 157, in expr


 "site-packages\calibre\utils\formatter.py", line 113, in statement


 "site-packages\calibre\utils\formatter.py", line 169, in expr


 "site-packages\calibre\utils\formatter_functions.py", line 132, in eval_


 "site-packages\calibre\utils\formatter_functions.py", line 359, in evaluate


 "site-packages\calibre\ebooks\metadata\book\formatter.py", line 32, in get_value
ValueError: Value: unknown field #genre
