Jython (#915)

* drop jython from tox

* drop jython from setup.py

setup.py

@@ -70,7 +70,6 @@ else:
 
 # -*- Installation Requires -*-
 py_version = sys.version_info
-is_jython = sys.platform.startswith('java')
 is_pypy = hasattr(sys, 'pypy_version_info')
 
 
@@ -149,7 +148,6 @@ setup(
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
-        'Programming Language :: Python :: Implementation :: Jython',
         'Intended Audience :: Developers',
         'Topic :: Communications',
         'Topic :: System :: Distributed Computing',

tox.ini

@@ -19,7 +19,7 @@ deps=
     -r{toxinidir}/requirements/test.txt
     -r{toxinidir}/requirements/test-ci.txt
 
-    2.7,pypy,jython,cov: -r{toxinidir}/requirements/test-ci-py2.txt
+    2.7,pypy,cov: -r{toxinidir}/requirements/test-ci-py2.txt
 
     apicheck,linkcheck: -r{toxinidir}/requirements/docs.txt
     flake8,flakeplus,pydocstyle: -r{toxinidir}/requirements/pkgutils.txt
@@ -34,7 +34,6 @@ basepython =
     3.6: python3.6
     3.7: python3.7
     pypy: pypy
-    jython: jython
 
 [testenv:apicheck]
 commands = pip install -U -r{toxinidir}/requirements/dev.txt