Bump zipp from 2.2.0 to 3.1.0

Bumps [zipp](https://github.com/jaraco/zipp) from 2.2.0 to 3.1.0.
- [Release notes](https://github.com/jaraco/zipp/releases)
- [Changelog](https://github.com/jaraco/zipp/blob/master/CHANGES.rst)
- [Commits](https://github.com/jaraco/zipp/compare/v2.2.0...v3.1.0)

requirements.txt

@@ -26,9 +26,9 @@ python-dateutil==2.8.1
 python-intervals==1.10.0.post1
 pytz==2020.1
 PyWavelets==1.1.1
+zipp==3.1.0
 wcwidth==0.2.5
 scipy==1.5.2
 scikit-learn==0.23.1
 six==1.15.0
-zipp==2.2.0
 astor==0.8.1