Remove unused imports

.pylintrc

@@ -11,7 +11,7 @@ attr-rgx=[a-z0-9_]{1,30}$
 ignored-argument-names=_.*|^ignored_|^unused_|^kwargs|^environment
 
 [MESSAGES CONTROL]
-disable=logging-not-lazy,logging-fstring-interpolation,missing-docstring,wrong-import-position,wrong-import-order,too-few-public-methods,invalid-name,protected-access,logging-format-interpolation,dangerous-default-value,global-statement,too-many-locals,too-many-arguments,too-many-instance-attributes,blacklisted-name,attribute-defined-outside-init,broad-except,bare-except,consider-using-with,too-many-branches,unspecified-encoding,arguments-differ,broad-exception-raised,wildcard-import,unused-import,keyword-arg-before-vararg
+disable=logging-not-lazy,logging-fstring-interpolation,missing-docstring,wrong-import-position,wrong-import-order,too-few-public-methods,invalid-name,protected-access,logging-format-interpolation,dangerous-default-value,global-statement,too-many-locals,too-many-arguments,too-many-instance-attributes,blacklisted-name,attribute-defined-outside-init,broad-except,bare-except,consider-using-with,too-many-branches,unspecified-encoding,arguments-differ,broad-exception-raised,wildcard-import,keyword-arg-before-vararg
 
 [MASTER]
 ignore=locustio,examples

locust_plugins/synchronizer.py

@@ -1,10 +1,10 @@
-from typing import Dict, Iterator, Type, Optional
+from typing import Dict, Iterator, Optional
 import logging
 from gevent.event import AsyncResult
-from locust import User, events
+from locust import User
 
 from locust.env import Environment
-from locust.runners import MasterRunner, WorkerRunner
+from locust.runners import WorkerRunner
 
 _results: Dict[int, AsyncResult] = {}
 _iterator: Optional[Iterator[Dict]] = None