Merge pull request #10 from python-microservices/revert-7-pyup-update-flask-opentracing-0.2.0-to-1.0.0

Revert "Update flask-opentracing to 1.0.0"

Author: avara1986

requirements.txt

@@ -8,4 +8,5 @@ connexion[swagger-ui]==2.0.2
 # connexion's extra it isn't working as expected in that case
 swagger-ui-bundle==0.0.2
 flask==1.0.2
-Flask-OpenTracing==1.0.0
+Flask-OpenTracing==0.2.0
+