fix py2 build

.circleci/config.yml

@@ -37,7 +37,7 @@ jobs:
       - run:
           name: install dependencies
           command: |
-            python -m venv venv
+            python3 -m venv venv
             . venv/bin/activate
             pip install -r test_requirements.txt
 
@@ -67,27 +67,3 @@ jobs:
     <<: *test-template
     docker:
       - image: circleci/python:2.7-jessie
-
-    steps:
-      - checkout
-      - restore_cache:
-          keys:
-          - v1-dependencies-{{ checksum "test_requirements.txt" }}
-          - v1-dependencies-
-      - run:
-          name: install dependencies
-          command: |
-            mkdir -p ./venv
-            virtualenv ./venv
-            . venv/bin/activate
-            pip install -r test_requirements.txt
-      - save_cache:
-          paths:
-            - ./venv
-          key: v1-dependencies-{{ checksum "test_requirements.txt" }}
-      - run:
-          name: run tests
-          command: |
-            . venv/bin/activate
-            python setup.py test
-            coveralls