Don't test Python 2

.travis.yml

@@ -2,12 +2,10 @@ sudo: false
 dist: xenial
 language: python
 python:
-  - "2.7"
   - "3.5"
   - "3.6"
   - "3.7"
   - 3.8-dev
-  - pypy2.7-6.0
   - pypy3.5-6.0
 install:
   - pip install -r requirements-travis.txt

conftest.py

@@ -4,7 +4,7 @@ import importlib
 import py
 import pytest
 import hy
-from hy._compat import PY3, PY36, PY38
+from hy._compat import PY36, PY38
 
 NATIVE_TESTS = os.path.join("", "tests", "native_tests", "")
 
@@ -12,8 +12,7 @@ _fspath_pyimport = py.path.local.pyimport
 
 
 def pytest_ignore_collect(path, config):
-    return (("py3_only" in path.basename and not PY3) or
-            ("py36_only" in path.basename and not PY36) or
+    return (("py36_only" in path.basename and not PY36) or
             ("py38_only" in path.basename and not PY38) or None)