Merge pull request #14 from eugeneyan/dependabot/pip/tornado-6.3.2

Bump tornado from 6.0.3 to 6.3.2

Author: eugeneyan

requirements.txt

@@ -38,7 +38,7 @@ scikit-learn==0.21.3
 scipy==1.3.1
 six==1.13.0
 smart-open==1.9.0
-tornado==6.0.3
+tornado==6.3.2
 tqdm==4.39.0
 traitlets==4.3.3
 urllib3==1.26.5