Run autoflake to remove unused imports & variables

wa/workloads/adobereader/__init__.py

@@ -16,7 +16,7 @@
 import os
 
 from wa import ApkUiautoWorkload, Parameter
-from wa.utils.types import list_of_strs, numeric
+from wa.utils.types import list_of_strs
 from wa.framework.exception import ValidationError
 
 

wa/workloads/applaunch/__init__.py

@@ -13,14 +13,10 @@
 # limitations under the License.
 #
 # pylint: disable=attribute-defined-outside-init
-import os
 
-from wa import Workload, ApkUiautoWorkload, Parameter, ApkWorkload
-from wa import ApkFile, settings
+from wa import ApkUiautoWorkload, Parameter
 from wa.framework import pluginloader
-from wa.framework.exception import ConfigError, ResourceError
 
-from devlib.utils.android import ApkInfo
 
 
 class Applaunch(ApkUiautoWorkload):

wa/workloads/exoplayer/__init__.py

@@ -15,7 +15,6 @@
 # limitations under the License.
 #
 
-from collections import defaultdict
 import re
 import os
 import time

wa/workloads/vellamo/__init__.py

@@ -14,16 +14,13 @@
 #
 
 import os
-import logging
 import json
 import re
 
 from HTMLParser import HTMLParser
-from collections import defaultdict, OrderedDict
-from distutils.version import StrictVersion
 
 from wa import ApkUiautoWorkload, Parameter
-from wa.utils.types import list_of_strs, numeric
+from wa.utils.types import list_of_strs
 from wa.framework.exception import WorkloadError