isort: Consistently use two blank lines after import

.isort.cfg

@@ -24,3 +24,4 @@ skip_glob=**/picard/ui/ui_*.py
 skip=./tagger.py,picard/const/attributes.py,picard/const/countries.py,picard/resources.py,scripts/picard.in,picard/const/__init__.py,picard/formats/__init__.py,picard/coverart/providers/__init__.py
 not_skip=__init__.py
 use_parentheses=1
+lines_after_imports=2

picard/__init__.py

@@ -19,6 +19,7 @@
 
 import re
 
+
 PICARD_ORG_NAME = "MusicBrainz"
 PICARD_APP_NAME = "Picard"
 PICARD_VERSION = (2, 2, 0, 'dev', 1)

picard/collection.py

@@ -26,6 +26,7 @@
     log,
 )
 
+
 user_collections = {}
 
 

picard/config_upgrade.py

@@ -33,6 +33,7 @@
     DEFAULT_NUMBERED_SCRIPT_NAME,
 )
 
+
 # TO ADD AN UPGRADE HOOK:
 # ----------------------
 # add a function here, named after the version you want upgrade to

picard/const/sys.py

@@ -19,6 +19,7 @@
 
 import sys
 
+
 IS_WIN = sys.platform == 'win32'
 IS_LINUX = sys.platform == 'linux'
 IS_MACOS = sys.platform == 'darwin'

picard/coverart/image.py

@@ -45,6 +45,7 @@
 )
 from picard.util.scripttofilename import script_to_filename
 
+
 _datafiles = dict()
 _datafile_mutex = QMutex(QMutex.Recursive)
 

picard/coverart/providers/caa.py

@@ -59,6 +59,7 @@
 from picard.ui.ui_provider_options_caa import Ui_CaaOptions
 from picard.ui.util import StandardButton
 
+
 CaaSizeItem = namedtuple('CaaSizeItem', ['thumbnail', 'label'])
 
 _CAA_THUMBNAIL_SIZE_MAP = OrderedDict([

picard/coverart/utils.py

@@ -20,6 +20,7 @@
 from picard.const import MB_ATTRIBUTES
 from picard.i18n import gettext_attr
 
+
 # list of types from http://musicbrainz.org/doc/Cover_Art/Types
 # order of declaration is preserved in selection box
 CAA_TYPES = []

picard/formats/apev2.py

@@ -45,6 +45,7 @@
 
 from .mutagenext import tak
 
+
 INVALID_CHARS = re.compile('[^\x20-\x7e]')
 BLACKLISTED_KEYS = ['ID3', 'TAG', 'OggS', 'MP+']
 UNSUPPORTED_TAGS = [

picard/formats/id3.py

@@ -44,6 +44,7 @@
     sanitize_date,
 )
 
+
 id3.GRP1 = compatid3.GRP1
 id3.TCMP = compatid3.TCMP
 id3.TSO2 = compatid3.TSO2

picard/formats/mutagenext/compatid3.py

@@ -25,6 +25,7 @@
     TextFrame,
 )
 
+
 try:
     from mutagen.id3 import GRP1
 except ImportError:

picard/formats/vorbis.py

@@ -48,6 +48,7 @@
     sanitize_date,
 )
 
+
 INVALID_CHARS = re.compile('([^\x20-\x7d]|=)')
 
 

picard/i18n.py

@@ -29,6 +29,7 @@
     IS_WIN,
 )
 
+
 builtins.__dict__['N_'] = lambda a: a
 
 

picard/log.py

@@ -28,6 +28,7 @@
 
 from PyQt5 import QtCore
 
+
 _MAX_TAIL_LEN = 10**6
 
 VERBOSITY_DEFAULT = logging.WARNING

picard/mbjson.py

@@ -28,6 +28,7 @@
     translate_from_sortname,
 )
 
+
 _artist_rel_types = {
     "arranger": "arranger",
     "audio": "engineer",

picard/metadata.py

@@ -36,6 +36,7 @@
 from picard.util.imagelist import ImageList
 from picard.util.tags import PRESERVED_TAGS
 
+
 MULTI_VALUED_JOINER = '; '
 
 # lengths difference over this number of milliseconds will give a score of 0.0

picard/plugin.py

@@ -45,6 +45,7 @@
 )
 import picard.plugins
 
+
 _suffixes = [s[0] for s in imp.get_suffixes()]
 _package_entries = ["__init__.py", "__init__.pyc", "__init__.pyo"]
 _extension_points = []

picard/track.py

@@ -52,6 +52,7 @@
 
 from picard.ui.item import Item
 
+
 _TRANSLATE_TAGS = {
     "hip hop": "Hip-Hop",
     "synth-pop": "Synthpop",

picard/ui/filebrowser.py

@@ -31,6 +31,7 @@
 from picard.formats import supported_formats
 from picard.util import find_existing_path
 
+
 _default_current_browser_path = QStandardPaths.writableLocation(QStandardPaths.HomeLocation)
 
 

picard/ui/mainwindow.py

@@ -81,6 +81,7 @@
     find_starting_directory,
 )
 
+
 ui_init = ExtensionPoint()
 
 

picard/ui/metadatabox.py

@@ -45,6 +45,7 @@
 
 from picard.ui.edittagdialog import EditTagDialog
 
+
 COMMON_TAGS = [
     "title",
     "artist",

picard/ui/options/cdlookup.py

@@ -30,6 +30,7 @@
     register_options_page,
 )
 
+
 if AUTO_DETECT_DRIVES:
     from picard.ui.ui_options_cdlookup_select import Ui_CDLookupOptionsPage
 else:

picard/ui/options/interface.py

@@ -39,6 +39,7 @@
 from picard.ui.ui_options_interface import Ui_InterfaceOptionsPage
 from picard.ui.util import enabledSlot
 
+
 _default_starting_dir = QStandardPaths.writableLocation(QStandardPaths.HomeLocation)
 
 

picard/ui/options/plugins.py

@@ -49,6 +49,7 @@
 )
 from picard.ui.ui_options_plugins import Ui_PluginsOptionsPage
 
+
 COLUMN_NAME, COLUMN_VERSION, COLUMN_ACTIONS = range(3)
 
 

picard/ui/options/releases.py

@@ -41,6 +41,7 @@
 )
 from picard.ui.ui_options_releases import Ui_ReleasesOptionsPage
 
+
 _DEFAULT_SCORE = 0.5
 _release_type_scores = [(g, _DEFAULT_SCORE) for g in list(RELEASE_PRIMARY_GROUPS.keys()) + list(RELEASE_SECONDARY_GROUPS.keys())]
 

picard/ui/options/renaming.py

@@ -47,6 +47,7 @@
 from picard.ui.ui_options_renaming import Ui_RenamingOptionsPage
 from picard.ui.util import enabledSlot
 
+
 _default_music_dir = QStandardPaths.writableLocation(QStandardPaths.MusicLocation)
 
 

picard/util/__init__.py

@@ -39,6 +39,7 @@
     IS_WIN,
 )
 
+
 if IS_WIN:
     from ctypes import windll
 

picard/util/bytes2human.py

@@ -28,6 +28,7 @@
 
 import locale
 
+
 # used to force gettextization
 _BYTES_STRINGS_I18N = (
     N_('%s B'),

picard/util/cdrom.py

@@ -30,6 +30,7 @@
 )
 from picard.util import uniqify
 
+
 if IS_WIN:
     from ctypes import windll
 

picard/util/icontheme.py

@@ -23,6 +23,7 @@
 
 from picard.const.sys import IS_WIN
 
+
 if IS_WIN:
     _search_paths = []
 else:

picard/util/textencoding.py

@@ -67,6 +67,7 @@
 
 from picard.util import sanitize_filename
 
+
 #########################  LATIN SIMPLIFICATION ###########################
 # The translation tables for punctuation and latin combined-characters are taken from
 # http://unicode.org/repos/cldr/trunk/common/transforms/Latin-ASCII.xml

picard/util/versions.py

@@ -33,6 +33,7 @@
 from picard.disc import discid_version
 from picard.util.astrcmp import astrcmp_implementation
 
+
 _versions = OrderedDict([
     ("version", PICARD_FANCY_VERSION_STR),
     ("python-version", python_version()),

picard/util/xml.py

@@ -23,6 +23,7 @@
 
 from PyQt5.QtCore import QXmlStreamReader
 
+
 _node_name_re = re.compile('[^a-zA-Z0-9]')
 
 

picard/webservice/__init__.py

@@ -60,6 +60,7 @@
 from picard.util.xml import parse_xml
 from picard.webservice import ratecontrol
 
+
 COUNT_REQUESTS_DELAY_MS = 250
 
 TEMP_ERRORS_RETRIES = 5

picard/webservice/api_helpers.py

@@ -38,6 +38,7 @@
     ratecontrol,
 )
 
+
 ratecontrol.set_minimum_delay((ACOUSTID_HOST, ACOUSTID_PORT), 333)
 ratecontrol.set_minimum_delay((CAA_HOST, CAA_PORT), 0)
 

picard/webservice/ratecontrol.py

@@ -27,6 +27,7 @@
 
 from picard import log
 
+
 # ============================================================================
 # Throttling/congestion avoidance
 # ============================================================================

test/__init__.py

@@ -1,5 +1,6 @@
 import glob
 import os.path
 
+
 for filename in glob.glob(os.path.join(os.path.dirname(__file__), "test_*.py")):
     __import__("test." + os.path.basename(filename)[:-3])

test/formats/common.py

@@ -13,6 +13,7 @@
 from picard.formats import ext_to_format
 from picard.metadata import Metadata
 
+
 settings = {
     'clear_existing_tags': False,
     'embed_only_one_front_image': False,

test/formats/test_apev2.py

@@ -9,6 +9,7 @@
 )
 from .coverart import CommonCoverArtTests
 
+
 VALID_KEYS = [
     ' valid Key}',
     '{ $ome tag~}',

test/formats/test_vorbis.py

@@ -23,6 +23,7 @@
     file_save_image,
 )
 
+
 VALID_KEYS = [
     ' valid Key}',
     '{ $ome tag}',

test/test_acoustid.py

@@ -9,6 +9,7 @@
 from picard.metadata import Metadata
 from picard.track import Track
 
+
 settings = {
     "standardize_tracks": False,
     "standardize_artists": False,

test/test_browser.py

@@ -9,6 +9,7 @@
 from picard.browser.filelookup import FileLookup
 from picard.util import webbrowser2
 
+
 SERVER = 'musicbrainz.org'
 PORT = 443
 LOCAL_PORT = "8000"

test/test_filesystem.py

@@ -9,6 +9,7 @@
 from picard import config
 import picard.formats
 
+
 settings = {
     'enabled_plugins': '',
     'move_files': True,

test/test_mbjson.py

@@ -20,6 +20,7 @@
 from picard.releasegroup import ReleaseGroup
 from picard.track import Track
 
+
 settings = {
     "standardize_tracks": False,
     "standardize_artists": False,

test/test_metadata.py

@@ -9,6 +9,7 @@
 )
 from picard.util.tags import PRESERVED_TAGS
 
+
 settings = {
     'write_id3v23': False,
     'id3v23_join_with': '/',

test/test_releaseversions.py

@@ -10,6 +10,7 @@
 from picard.i18n import setup_gettext
 from picard.releasegroup import ReleaseGroup
 
+
 settings = {
     "standardize_tracks": False,
     "standardize_artists": False,

test/test_scripttofilename.py

@@ -7,6 +7,7 @@
 from picard.script import register_script_function
 from picard.util.scripttofilename import script_to_filename
 
+
 settings = {
     'ascii_filenames': False,
     'enabled_plugins': [],

test/test_textencoding.py

@@ -3,6 +3,7 @@
 
 from picard import util
 
+
 #from picard.util import textencoding
 
 # Set the value to true below to show the coverage of Latin characters

test/test_util_astrcmp.py

@@ -5,6 +5,7 @@
 
 from picard.util.astrcmp import astrcmp_py
 
+
 try:
     from picard.util.astrcmp import astrcmp_c
 except ImportError:

test/test_utils.py

@@ -15,6 +15,7 @@
     sort_by_similarity,
 )
 
+
 # ensure _() is defined
 if '_' not in builtins.__dict__:
     builtins.__dict__['_'] = lambda a: a