Let's try with Circle CI v2

circle.yml

@@ -1,29 +1,36 @@
-machine:
-  post:
-    - pyenv global 2.7 3.5.0
-dependencies:
-  pre:
-    - pip install --upgrade pip
-    - pip3 install --upgrade pip
-    - pip install hacking
-    - pip3 install hacking
-general:
-  branches:
-    ignore:
-      - ggmaster
-      - hots
-      - jonomon
-      - master
-      - old_master
-test:
-  override:
-    - python2 -V
-    - python2 -m flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics
-    - python2 -m flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    - python2 -m unittest discover test_replays
-    - python2 -m unittest discover test_s2gs
-    - python3 -V
-    - python3 -m flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics
-    - python3 -m flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    - python3 -m unittest discover test_replays
-    - python3 -m unittest discover test_s2gs
+version: 2
+jobs:
+  build:
+    working_directory: ~/sc2reader
+    docker:
+      - image: python:2.7.13
+    steps:
+      - checkout
+      - run:
+          name: Flake8 and unittests on Python 2.7.13
+          command: |
+            . venv/bin/activate
+            python -V
+            pip -V
+            pip install hacking
+            python -m flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics
+            python -m flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+            python -m unittest discover test_replays
+            python -m unittest discover test_s2gs
+  build:
+    working_directory: ~/sc2reader
+    docker:
+      - image: python:3.6.2
+    steps:
+      - checkout
+      - run:
+          name: Flake8 and unittests on Python 3.6.2
+          command: |
+            . venv/bin/activate
+            python -V
+            pip -V
+            pip install hacking
+            python -m flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics
+            python -m flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+            python -m unittest discover test_replays
+            python -m unittest discover test_s2gs