fix lint errors

Author: guzzijones

st2actions/tests/unit/test_notifier.py

@@ -27,7 +27,6 @@
 from st2common.constants.action import LIVEACTION_COMPLETED_STATES
 from st2common.constants.action import LIVEACTION_STATUSES
 from st2common.constants.triggers import INTERNAL_TRIGGER_TYPES
-from st2common.models.api.action import LiveActionAPI
 from st2common.models.db.action import ActionDB
 from st2common.models.db.execution import ActionExecutionDB
 from st2common.models.db.liveaction import LiveActionDB

st2common/st2common/services/workflows.py

@@ -1193,18 +1193,14 @@ def request_next_tasks(wf_ex_db, task_ex_id=None):
                 # Request the task execution.
                 request_task_execution(wf_ex_db, st2_ctx, task)
             except Exception as e:
-                import sys
-                import traceback
 
                 exc_type, exc_value, exc_traceback = sys.exc_info()
-                traceback_in_var = traceback.format_tb(exc_traceback)
                 msg = 'Failed task execution for task "%s", route "%s".'
                 msg = msg % (task["id"], str(task["route"]))
                 update_progress(
                     wf_ex_db, "%s %s" % (msg, str(e)), severity="error", log=False
                 )
-                LOG.error(e, exc_info=True)
-                LOG.exception(msg)
+                LOG.exception(msg, exc_info=True)
 
                 fail_workflow_execution(str(wf_ex_db.id), e, task=task)
                 return

st2common/tests/unit/test_db_fields.py

@@ -37,8 +37,6 @@
 from st2common.models.db import MongoDBAccess
 from st2common.fields import JSONDictField
 from st2common.fields import JSONDictEscapedFieldCompatibilityField
-from st2common.fields import JSONDictFieldCompressionAlgorithmEnum
-from st2common.fields import JSONDictFieldSerializationFormatEnum
 
 from st2tests import DbTestCase