nil metric list panic fix #1426
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| @@ -138,7 +138,7 @@ func (ro *RunningOutput) Write() error { | |||
| } | |||
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| func (ro *RunningOutput) write(metrics []telegraf.Metric) error { | |||
| if len(metrics) == 0 { | |||
| if metrics == nil || len(metrics) == 0 { | |||
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This surprises me. I think len is safe to call on nil slices.
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cc @kostasb