enable unused import checking

The "noqa" marker is for exceptions such as these.

beets/autotag/__init__.py

@@ -22,9 +22,9 @@ from beets import library, mediafile, config
 from beets.util import sorted_walk, ancestry, displayable_path
 
 # Parts of external interface.
-from .hooks import AlbumInfo, TrackInfo, AlbumMatch, TrackMatch
-from .match import tag_item, tag_album
-from .match import Recommendation
+from .hooks import AlbumInfo, TrackInfo, AlbumMatch, TrackMatch  # noqa
+from .match import tag_item, tag_album  # noqa
+from .match import Recommendation  # noqa
 
 # Global logger.
 log = logging.getLogger('beets')

beets/dbcore/__init__.py

@@ -18,3 +18,5 @@ Library.
 from .db import Model, Database
 from .query import Query, FieldQuery, MatchQuery, AndQuery, OrQuery
 from .types import Type
+
+# flake8: noqa

beets/util/pipeline.py

@@ -35,7 +35,6 @@ from __future__ import print_function
 import Queue
 from threading import Thread, Lock
 import sys
-import types
 
 BUBBLE = '__PIPELINE_BUBBLE__'
 POISON = '__PIPELINE_POISON__'

beetsplug/rewrite.py

@@ -22,7 +22,6 @@ from collections import defaultdict
 from beets.plugins import BeetsPlugin
 from beets import ui
 from beets import library
-from beets import config
 
 log = logging.getLogger('beets')
 

setup.cfg

@@ -3,9 +3,8 @@ verbosity=1
 logging-clear-handlers=1
 
 [flake8]
-# F401  module imported but unused
 # E231  missing whitespace after ',' (used to align visually)
-ignore=F401,E241
+ignore=E241
 
 # List of files that have not been cleand up yet. We will try to reduce
 # this with each commit