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from zope.browserpage.viewpagetemplatefile import ViewPageTemplateFile
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from zope.cachedescriptors.property import Lazy
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from zope.component import getMultiAdapter
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from zope.i18n import translate
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from zope.interface import Interface
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from zope.traversing.browser.absoluteurl import absoluteURL
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from zope.security.proxy import removeSecurityProxy
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from z3c.form import button, field, form, widget
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from zc.table.column import GetterColumn
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from schooltool import table