Merge pull request #3609 from akorobeinikov/ak/fix_python_recognition_omz_github

Avoid race condition in face_recognition_demo python version

Author: Wovchena

demos/face_recognition_demo/python/ie_module.py

@@ -40,8 +40,6 @@ def completion_callback(self, infer_request, id):
         self.outputs[id] = infer_request.results[self.output_tensor]
 
     def enqueue(self, input):
-        self.clear()
-
         if self.max_requests <= self.active_requests:
             log.warning('Processing request rejected - too many requests')
             return False