Merge pull request #3 from timothymugayi/dependabot/pip/pyyaml-5.4

Bump pyyaml from 5.3.1 to 5.4

Author: timothymugayi

requirements.txt

@@ -22,7 +22,7 @@ psutil==5.7.0
 pyparsing==2.4.7
 python-dateutil==2.8.1
 pytz==2020.1
-PyYAML==5.3.1
+PyYAML==5.4
 s3fs==0.4.2
 s3transfer==0.3.3
 scikit-learn==0.23.1