System check identified some issues:

WARNINGS:
what_meta.WhatMetaFulltext.artist: (fields.W342) Setting unique=True on a ForeignKey has the same effect as using a OneToOneField.
	HINT: ForeignKey(unique=True) is usually better served by a OneToOneField.
what_meta.WhatMetaFulltext.artist_alias: (fields.W342) Setting unique=True on a ForeignKey has the same effect as using a OneToOneField.
	HINT: ForeignKey(unique=True) is usually better served by a OneToOneField.
what_meta.WhatMetaFulltext.torrent_group: (fields.W342) Setting unique=True on a ForeignKey has the same effect as using a OneToOneField.
	HINT: ForeignKey(unique=True) is usually better served by a OneToOneField.
Checking to see if torrent is already loaded into WM..
Checking for existing files...
Checking /media/Milu/WhatManager/Uploafer/Bastille - Good Grief (2016) - FLAC WEB/01 - Good Grief.flac
Checking /media/Milu/WhatManager/Uploafer/Bastille - Good Grief (2016) - FLAC WEB/Front.jpg
Creating destination directory...
All torrent data files exist.
Moving files to new directory...
Adding torrent to WM...
Traceback (most recent call last):
  File "./manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 354, in execute_from_command_line
    utility.execute()
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 346, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py", line 394, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py", line 445, in execute
    output = self.handle(*args, **options)
  File "/opt/WhatManager2/WhatManager2/management/commands/import_external_what_torrent.py", line 135, in handle
    self.download_location, self.what_torrent.id)
  File "/opt/WhatManager2/WhatManager2/manage_torrent.py", line 41, in add_torrent
    t_torrent = instance.client.add_torrent(
  File "/opt/WhatManager2/home/models.py", line 163, in client
    user=self.username, password=self.password)
  File "/usr/local/lib/python2.7/dist-packages/transmissionrpc/client.py", line 169, in __init__
    self.get_session()
  File "/usr/local/lib/python2.7/dist-packages/transmissionrpc/client.py", line 828, in get_session
    self._request('session-get', timeout=timeout)
  File "/usr/local/lib/python2.7/dist-packages/transmissionrpc/client.py", line 247, in _request
    http_data = self._http_query(query, timeout)
  File "/usr/local/lib/python2.7/dist-packages/transmissionrpc/client.py", line 223, in _http_query
    raise TransmissionError('Request failed.', error)
transmissionrpc.error.TransmissionError: Request failed. Original exception: HTTPHandlerError, "HTTPHandlerError 111: Connection refused"