Right. Presumably the histogram filling runs very quickly when there are no gem hits? In the end the customize can be fine.  The eras will eventually make this easy

On Apr 22, 2014, at 9:57 AM, "Mark Grimes" <notifications@github.com<mailto:notifications@github.com>> wrote:


In SLHCUpgradeSimulations/Configuration/python/me0Customs.py:

> @@ -80,6 +80,8 @@ def customise_RecoFull(process):
>      return process
>
>  def customise_Validation(process):
> +    process.load('Validation.Configuration.gemSimValid_cff')
> +    process.genvalid_all += process.me0SimValid


@davidlange6<https://github.com/davidlange6>, would that make them run for all scenarios, regardless of whether ME0 and/or GEMs are part of the scenario?

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