Update vendored beets to 1.6.0

Updates colorama to 0.4.6
Adds confuse version 1.7.0
Updates jellyfish to 0.9.0
Adds mediafile 0.10.1
Updates munkres to 1.1.4
Updates musicbrainzngs to 0.7.1
Updates mutagen to 1.46.0
Updates pyyaml to 6.0
Updates unidecode to 1.3.6

libs/common/beetsplug/embyupdate.py

@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 """Updates the Emby Library whenever the beets library is changed.
 
     emby:
@@ -9,14 +7,11 @@
         apikey: apikey
         password: password
 """
-from __future__ import division, absolute_import, print_function
 
 import hashlib
 import requests
 
-from six.moves.urllib.parse import urlencode
-from six.moves.urllib.parse import urljoin, parse_qs, urlsplit, urlunsplit
-
+from urllib.parse import urlencode, urljoin, parse_qs, urlsplit, urlunsplit
 from beets import config
 from beets.plugins import BeetsPlugin
 
@@ -146,14 +141,14 @@ def get_user(host, port, username):
 
 class EmbyUpdate(BeetsPlugin):
     def __init__(self):
-        super(EmbyUpdate, self).__init__()
+        super().__init__()
 
         # Adding defaults.
         config['emby'].add({
-            u'host': u'http://localhost',
-            u'port': 8096,
-            u'apikey': None,
-            u'password': None,
+            'host': 'http://localhost',
+            'port': 8096,
+            'apikey': None,
+            'password': None,
         })
 
         self.register_listener('database_change', self.listen_for_db_change)
@@ -166,7 +161,7 @@ class EmbyUpdate(BeetsPlugin):
     def update(self, lib):
         """When the client exists try to send refresh request to Emby.
         """
-        self._log.info(u'Updating Emby library...')
+        self._log.info('Updating Emby library...')
 
         host = config['emby']['host'].get()
         port = config['emby']['port'].get()
@@ -176,13 +171,13 @@ class EmbyUpdate(BeetsPlugin):
 
         # Check if at least a apikey or password is given.
         if not any([password, token]):
-            self._log.warning(u'Provide at least Emby password or apikey.')
+            self._log.warning('Provide at least Emby password or apikey.')
             return
 
         # Get user information from the Emby API.
         user = get_user(host, port, username)
         if not user:
-            self._log.warning(u'User {0} could not be found.'.format(username))
+            self._log.warning(f'User {username} could not be found.')
             return
 
         if not token:
@@ -194,7 +189,7 @@ class EmbyUpdate(BeetsPlugin):
             token = get_token(host, port, headers, auth_data)
             if not token:
                 self._log.warning(
-                    u'Could not get token for user {0}', username
+                    'Could not get token for user {0}', username
                 )
                 return
 
@@ -205,6 +200,6 @@ class EmbyUpdate(BeetsPlugin):
         url = api_url(host, port, '/Library/Refresh')
         r = requests.post(url, headers=headers)
         if r.status_code != 204:
-            self._log.warning(u'Update could not be triggered')
+            self._log.warning('Update could not be triggered')
         else:
-            self._log.info(u'Update triggered.')
+            self._log.info('Update triggered.')