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+# Tox (https://tox.readthedocs.io/) is a tool for running tests
+# in multiple virtualenvs. This configuration file will run the
+# test suite on all supported python versions. To use it, "pip install tox"
+# and then run "tox" from this directory.
+
+[tox]
+envlist = py27, py36, py37, py38, py39, py310, py311
+
+[testenv]
+commands = pytest
+deps =
+    pytest
+    pyyaml