Merge pull request #79 from ksang/dependabot/pip/assignment3/tornado-6.4.2

Bump tornado from 6.4.1 to 6.4.2 in /assignment3

Author: ksang

assignment3/requirements.txt

@@ -44,6 +44,6 @@ singledispatch==3.4.0.3
 site==0.0.1
 six==1.10.0
 terminado==0.5
-tornado==6.4.1
+tornado==6.4.2
 traitlets==4.0.0
 h5py==2.7.0