Bump lws from 1.0 to 1.2

Bumps [lws](https://github.com/Jonathan-LeRoux/lws) from 1.0 to 1.2.
- [Release notes](https://github.com/Jonathan-LeRoux/lws/releases)
- [Commits](Jonathan-LeRoux/lws@1.0...1.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>

setup.py

@@ -22,7 +22,7 @@
                       'inflect',
                       'unidecode',
                       'nltk==3.3',
-                      'lws==1.0',
+                      'lws==1.2',
                       'opencv-python==3.4.4.19'],
     version='0.3.5',
     description='AutoML for deep learning',