disabled Python 2 testing

.circleci/config.yml

@@ -16,21 +16,7 @@ jobs:
           keys:
             - cache-v7-{{ .Branch }}-{{ checksum "requirements.txt" }}
             - cache-v7-{{ .Branch }}-
-            - cache-v7-
-
-      # Python 2 installation tasks
-      - run:
-          name: Install pkg_utils (Python 2)
-          command: pip2 install -U --process-dependency-links git+https://github.com/KarrLab/pkg_utils.git#egg=pkg_utils
-      - run:
-          name: Install karr_lab_build_utils (Python 2)
-          command: pip2 install -U --process-dependency-links git+https://github.com/KarrLab/karr_lab_build_utils.git#egg=karr_lab_build_utils
-      - run:
-          name: Install package (Python 2)
-          command: pip2 install -U --process-dependency-links -e .[all]
-      - run:
-          name: Upgrade requirements (Python 2)
-          command: karr_lab_build_utils2 upgrade-requirements
+            - cache-v7-    
 
       # Python 3 installation tasks
       - run:
@@ -50,7 +36,6 @@ jobs:
       - save_cache:
           key: cache-v7-{{ .Branch }}-{{ checksum "requirements.txt" }}
           paths:
-            - /usr/local/lib/python2.7/site-packages
             - /usr/local/lib/python3.6/site-packages
 
       # Test code
@@ -59,14 +44,11 @@ jobs:
           command: |
             set +e
 
-            karr_lab_build_utils2 run-tests --with-xunit --with-coverage
-            TEST_EXIT_CODE_PY2=$?
-
             karr_lab_build_utils3 run-tests --with-xunit --with-coverage
             TEST_EXIT_CODE_PY3=$?
 
             # Calculate exit code and save to file for reading by the next step
-            if [[ $TEST_EXIT_CODE_PY2 -eq 0 && $TEST_EXIT_CODE_PY3 -eq 0 ]]; then
+            if [[ $TEST_EXIT_CODE_PY3 -eq 0 ]]; then
               echo "0" > TEST_EXIT_CODE
               exit 0
             else
@@ -91,9 +73,6 @@ jobs:
 
       - store_test_results:
           path: /root/project/tests/reports
-      - store_artifacts:
-          path: /root/project/.coverage.2.7.14
-          destination: .coverage.2.7.14
       - store_artifacts:
           path: /root/project/.coverage.3.6.4
           destination: .coverage.3.6.4