Add python 2.7, 3.3, 3.4 to the test matrix

.travis.yml

@@ -5,6 +5,9 @@ cache:
     - node_modules
 sudo: false
 python:
+  - "2.7"
+  - "3.3"
+  - "3.4"
   - "3.5"
   - "3.6"
   - "pypy3"
@@ -30,14 +33,8 @@ matrix:
     - python: "pypy3"
     - python: "nightly"
   fast_finish: true
-before_script:  # code coverage tool
-  - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
-  - chmod +x ./cc-test-reporter
-  - ./cc-test-reporter before-build
 script:
-  - pipenv install
+  - pipenv install -D
   - pytest --cov --cov-report=
-after_script:
-  - if [[ "$TRAVIS_PULL_REQUEST" == "false" && "$TRAVIS_PYTHON_VERSION" == "3.7" ]]; then ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT; fi
 after_success:
   - codecov

setup.py

@@ -40,10 +40,14 @@
         'Operating System :: POSIX :: BSD :: NetBSD',
         'Operating System :: POSIX :: BSD :: OpenBSD',
         'Operating System :: POSIX :: Other',
-        'Programming Language :: Python :: 3 :: Only',
+        'Programming Language :: Python :: 2',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.3',
         'Framework :: Flask',
         'Topic :: Internet :: WWW/HTTP',
         'Topic :: Internet :: WWW/HTTP :: Dynamic Content',