Added tox.ini

tox.ini

@@ -0,0 +1,24 @@
+# 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]
+skipsdist = True
+envlist = 
+    flake8
+    py37
+
+[testenv:flake8]
+deps =
+    flake8
+skip_install = True
+commands = flake8 \
+    auto_scheduler
+
+[testenv]
+deps =
+    pytest
+    -rrequirements.txt
+commands =
+    pytest