Run autoflake to remove unused imports & variables

wa/framework/execution.py

@@ -16,19 +16,12 @@
 # pylint: disable=no-member
 
 import logging
-import os
-import random
-import subprocess
-import uuid
-from collections import Counter, defaultdict, OrderedDict
-from contextlib import contextmanager
 from copy import copy
 from datetime import datetime
-from itertools import izip_longest
 
 import wa.framework.signal as signal
-from wa.framework import instrumentation, pluginloader
-from wa.framework.configuration.core import settings, Status
+from wa.framework import instrumentation
+from wa.framework.configuration.core import Status
 from wa.framework.exception import (WAError, ConfigError, TimeoutError,
                                     InstrumentError, TargetError, HostError,
                                     TargetNotRespondingError, WorkloadError)
@@ -36,13 +29,10 @@ from wa.framework.job import Job
 from wa.framework.output import init_job_output
 from wa.framework.processor import ProcessorManager
 from wa.framework.resource import ResourceResolver
-from wa.framework.run import RunState
-from wa.framework.target.info import TargetInfo
 from wa.framework.target.manager import TargetManager
 from wa.utils import log
 from wa.utils.misc import (ensure_directory_exists as _d, merge_config_values,
                            get_traceback, format_duration)
-from wa.utils.serializer import json
 
 
 class ExecutionContext(object):
@@ -276,7 +266,6 @@ class Executor(object):
         self.logger = logging.getLogger('executor')
         self.error_logged = False
         self.warning_logged = False
-        pluginloader = None
         self.target_manager = None
         self.device = None