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-rw-r--r--docs/api/zcml.rst3
1 files changed, 2 insertions, 1 deletions
diff --git a/docs/api/zcml.rst b/docs/api/zcml.rst
index 7c03405..a23075a 100644
--- a/docs/api/zcml.rst
+++ b/docs/api/zcml.rst
@@ -11,8 +11,9 @@ a couple of permissions:
>>> from zope.component import getGlobalSiteManager
>>> from zope.configuration.xmlconfig import XMLConfig
+ >>> from zope.component.testing import setUp
>>> import zope.security
-
+ >>> setUp() # clear global component registry
>>> XMLConfig('permissions.zcml', zope.security)()
>>> len(list(getGlobalSiteManager().registeredUtilities()))