Remove deps on zope.interface and zope.exceptions. They aren't used h…

…ere and this helps prevent circular build issues.

.travis.yml

@@ -9,7 +9,7 @@ python:
     - pypy
     - pypy3
 install:
-    - pip install .
+    - pip install -e .[test]
 script:
     - python setup.py -q test -q
 notifications:

CHANGES.rst

@@ -4,7 +4,8 @@ Changes
 4.6.2 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Remove dependencies on ``zope.interface`` and ``zope.exceptions``;
+  they're not used here.
 
 
 4.6.1 (2017-01-04)

setup.py

@@ -31,7 +31,8 @@
             'src/zope/testing/doctest.txt',
             'src/zope/testing/formparser.txt',
             'src/zope/testing/module.txt',
-            'src/zope/testing/setupstack.txt'],
+            'src/zope/testing/setupstack.txt',
+        ],
     )
 else:
     extras = {}
@@ -51,7 +52,8 @@ def read(*rnames):
         'setupstack.txt',
         'wait.txt',
         'doctestcase.txt',
-    ]]
+    ]
+]
 
 
 long_description = '\n\n'.join(
@@ -92,13 +94,17 @@ def read(*rnames):
     keywords=keywords,
     packages=[
         "zope",
-        "zope.testing"],
+        "zope.testing",
+    ],
     package_dir={'': 'src'},
     namespace_packages=['zope'],
     install_requires=[
         'setuptools',
-        'zope.exceptions',
-        'zope.interface'],
+    ],
+    extras_require={
+        'test': [
+        ],
+    },
     include_package_data=True,
     zip_safe=False,
     test_suite='zope.testing.tests.test_suite',

tox.ini

@@ -6,5 +6,4 @@ envlist =
 commands =
     python setup.py -q test -q
 deps =
-    zope.exceptions
-    zope.interface
+    .[test]