lint: pylint comments and unused imports

app.py

@@ -27,6 +27,8 @@ from data.queue import WorkQueue
 from data.userevent import UserEventsBuilderModule
 from avatars.avatars import Avatar
 
+# pylint: disable=invalid-name,too-many-public-methods,too-few-public-methods,too-many-ancestors
+
 
 class Config(BaseConfig):
   """ Flask config enhanced with a `from_yamlfile` method """

formats/aci.py

@@ -1,5 +1,3 @@
-# pylint: disable=missing-docstring,bad-continuation
-
 from app import app
 from util.streamlayerformat import StreamLayerMerger
 from formats.tarimageformatter import TarImageFormatter
@@ -7,6 +5,7 @@ from formats.tarimageformatter import TarImageFormatter
 import json
 import re
 
+# pylint: disable=bad-continuation
 
 class ACIImage(TarImageFormatter):
   """ Image formatter which produces an ACI-compatible TAR.

formats/squashed.py

@@ -5,7 +5,6 @@ from formats.tarimageformatter import TarImageFormatter
 
 import copy
 import json
-import tarfile
 
 class FileEstimationException(Exception):
   """ Exception raised by build_docker_load_stream if the estimated size of the layer TAR
@@ -20,6 +19,7 @@ class SquashedDockerImage(TarImageFormatter):
       command.
   """
 
+  # pylint: disable=too-many-arguments,too-many-locals
   def stream_generator(self, namespace, repository, tag, synthetic_image_id,
                        layer_json, get_image_iterator, get_layer_iterator):
     # Docker import V1 Format (.tar):