fix

.circleci/config.yml

@@ -35,10 +35,10 @@ jobs:
           # pip-dependency-file: test-requirements.txt  # if you have a different name for your requirements file, maybe one that combines your runtime and test requirements.
       - run:
           name: Install pytim
-          command: pip install  -r requirements.txt -r requirements.testing.txt -e .
+          command: pip install --upgrade -r requirements.txt -r requirements.testing.txt -e .
       - run:
           name: Run tests
-          command: python setup.py test
+          command: pytest pytim/*py pytim/observables/*py pytim/datafiles/*py --doctest-modules
           #  - run:
           #name: Coverage
           # # This assumes pytest is installed via the install-package step above