Fix tox lint run.

.github/workflows/tests.yml

@@ -34,6 +34,7 @@ jobs:
         - ["3.7",   "py37-ip_range"]
 
     runs-on: ${{ matrix.os }}-latest
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
     name: ${{ matrix.config[1] }}
     steps:
     - uses: actions/checkout@v2

.gitignore

@@ -28,4 +28,5 @@ lib64
 log/
 parts/
 pyvenv.cfg
+testing.log
 var/

.meta.toml

@@ -2,7 +2,7 @@
 # https://github.com/zopefoundation/meta/tree/master/config/zope-product
 [meta]
 template = "zope-product"
-commit-id = "3b712f305ca8207e971c5bf81f2bdb5872489f2f"
+commit-id = "92d6b6d157267896ae4098f4d4a5fb55d103319a"
 
 [python]
 with-pypy = false

src/Products/PluggableAuthService/interfaces/plugins.py

@@ -453,9 +453,8 @@ def enumerateRoles(id=None, exact_match=False, sort_by=None,
 
 
 class IRequestTypeSniffer(Interface):
+    """Given a request, detects request type for later use by other plugins."""
 
-    """ Given a request, detects the request type for later use by other plugins.
-    """
     def sniffRequestType(request):
         """ Return a interface identifying what kind the request is.
         """

src/Products/PluggableAuthService/plugins/ZODBUserManager.py

@@ -356,8 +356,8 @@ def updateEveryLoginName(self, quit_on_first_error=True):
                              ', '.join(errors))
 
         # Make sure we did not lose any users.
-        assert(len(self._login_to_userid.keys())
-               == len(new_login_to_userid.keys()))
+        assert (len(self._login_to_userid.keys())
+                == len(new_login_to_userid.keys()))
         # Empty the main cache.
         view_name = createViewName('enumerateUsers')
         self.ZCacheable_invalidate(view_name=view_name)

tox.ini

@@ -18,10 +18,8 @@ envlist =
 
 [testenv]
 skip_install = true
-# We need to pin setuptools < 60 until zc.buildout 3.x supports it.
 deps =
-    setuptools < 60
-    zc.buildout==3.0.0rc2
+    zc.buildout >= 3.0.0rc3
     wheel > 0.37
 commands_pre =
     py27,py35: {envbindir}/buildout -nc {toxinidir}/buildout4.cfg buildout:directory={envdir} buildout:develop={toxinidir} install test