How to use the pluggy.manager.PluginValidationError function in pluggy

def _verify_hook(self, hook, hookimpl):
        if hook.is_historic() and hookimpl.hookwrapper:
            raise PluginValidationError(
                hookimpl.plugin,
                "Plugin %r\nhook %r\nhistoric incompatible to hookwrapper"
                % (hookimpl.plugin_name, hook.name),
            )
        if hook.warn_on_impl:
            _warn_for_function(hook.warn_on_impl, hookimpl.function)
        # positional arg checking
        notinspec = set(hookimpl.argnames) - set(hook.argnames)
        if notinspec:
            raise PluginValidationError(
                hookimpl.plugin,
                "Plugin %r for hook %r\nhookimpl definition: %s\n"
                "Argument(s) %s are declared in the hookimpl but "
                "can not be found in the hookspec"
                % (
                    hookimpl.plugin_name,
                    hook.name,
                    _formatdef(hookimpl.function),
                    notinspec,
                ),

def _verify_hook(self, hook, hookimpl):
        if hook.is_historic() and hookimpl.hookwrapper:
            raise PluginValidationError(
                hookimpl.plugin,
                "Plugin %r\nhook %r\nhistoric incompatible to hookwrapper"
                % (hookimpl.plugin_name, hook.name),
            )
        if hook.warn_on_impl:
            _warn_for_function(hook.warn_on_impl, hookimpl.function)
        # positional arg checking
        notinspec = set(hookimpl.argnames) - set(hook.argnames)
        if notinspec:
            raise PluginValidationError(
                hookimpl.plugin,
                "Plugin %r for hook %r\nhookimpl definition: %s\n"
                "Argument(s) %s are declared in the hookimpl but "
                "can not be found in the hookspec"
                % (
                    hookimpl.plugin_name,

from pkg_resources import (
            iter_entry_points,
            DistributionNotFound,
            VersionConflict,
        )

        for ep in iter_entry_points(entrypoint_name):
            # is the plugin registered or blocked?
            if self.get_plugin(ep.name) or self.is_blocked(ep.name):
                continue
            try:
                plugin = ep.load()
            except DistributionNotFound:
                continue
            except VersionConflict as e:
                raise PluginValidationError(
                    plugin=None,
                    message="Plugin %r could not be loaded: %s!" % (ep.name, e),
                )
            self.register(plugin, name=ep.name)
            self._plugin_distinfo.append((plugin, ep.dist))
        return len(self._plugin_distinfo)

def check_pending(self):
        """ Verify that all hooks which have not been verified against
        a hook specification are optional, otherwise raise PluginValidationError"""
        for name in self.hook.__dict__:
            if name[0] != "_":
                hook = getattr(self.hook, name)
                if not hook.has_spec():
                    for hookimpl in hook._wrappers + hook._nonwrappers:
                        if not hookimpl.optionalhook:
                            raise PluginValidationError(
                                hookimpl.plugin,
                                "unknown hook %r in plugin %r"
                                % (name, hookimpl.plugin),
                            )