Index: opencensus-python-0.11.4-1.1.14/contrib/opencensus-ext-azure/opencensus/ext/azure/log_exporter/__init__.py
===================================================================
--- opencensus-python-0.11.4-1.1.14.orig/contrib/opencensus-ext-azure/opencensus/ext/azure/log_exporter/__init__.py
+++ opencensus-python-0.11.4-1.1.14/contrib/opencensus-ext-azure/opencensus/ext/azure/log_exporter/__init__.py
@@ -102,9 +102,6 @@ class BaseLogHandler(logging.Handler):
             self._worker.stop(timeout)
         super(BaseLogHandler, self).close()
 
-    def createLock(self):
-        self.lock = None
-
     def emit(self, record):
         self._queue.put(record, block=False)