Added tracer close

cnn_classification_service/main.py

@@ -1,4 +1,6 @@
 #!/usr/bin/env python3
+import time
+
 import jaeger_client
 import opentracing
 
@@ -89,6 +91,9 @@ def main():
         logging.info("SIGINT Received! Stopping stuff...")
         channel.stop_consuming()
 
+    time.sleep(2)  # lol
+    opentracing.tracer.close()
+
 
 if __name__ == '__main__':
     main()