Upgrading to python3 (#60)

* Migrating to python 3.7.2, but docker image is not working properly.

Need to continue investigating why it's not properly running.

* Trying to fix the build and fixing logging in the scheduler initialization.

* Trying to fix the build

* Collecting test results

* Fixing the dockerfile

* Updating the development dependencies

.circleci/config.yml

@@ -8,7 +8,7 @@ jobs:
     docker:
       # specify the version you desire here
       # use `-browsers` prefix for selenium tests, e.g. `3.6.1-browsers`
-      - image: circleci/python:2.7
+      - image: circleci/python:3.7.2
       
     working_directory: ~/repo
 
@@ -25,10 +25,11 @@ jobs:
       - run:
           name: install dependencies
           command: |
-            sudo pip install virtualenv
+            sudo pip3 install virtualenv
             virtualenv .
             source bin/activate
-            pip install -r dev_requirements.txt
+            pip3 install -r dev_requirements.txt
+            python3 setup.py install
 
       - save_cache:
           paths:
@@ -39,7 +40,10 @@ jobs:
           name: run tests
           command: |
             . bin/activate
-            py.test tests
+            py.test tests --junitxml=test-reports/junit.xml
+
+      - store_test_results:
+          path: test-reports
 
       - store_artifacts:
           path: test-reports