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.travis.yml

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+# Config file for automatic testing at travis-ci.com
+
+language: python
+python:
+  - 3.8
+  - 3.7
+  - 3.6
+
+# Command to install dependencies, e.g. pip install -r requirements.txt --use-mirrors
+install: pip install -U tox-travis
+
+# Command to run tests, e.g. python setup.py test
+script: tox
+
+