From 1634ced5219c890775821ded9b0075e4989a8250 Mon Sep 17 00:00:00 2001
From: Will Charczuk <will.charczuk@gmail.com>
Date: Mon, 18 Jul 2016 16:59:37 -0700
Subject: [PATCH] shouldnt be able to override.

---
 ema_series.go | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/ema_series.go b/ema_series.go
index 0d37d9c..fd5eda7 100644
--- a/ema_series.go
+++ b/ema_series.go
@@ -31,11 +31,8 @@ func (ema EMASeries) GetYAxis() YAxisType {
 }
 
 // GetPeriod returns the window size.
-func (ema EMASeries) GetPeriod(defaults ...int) int {
+func (ema EMASeries) GetPeriod() int {
 	if ema.Period == 0 {
-		if len(defaults) > 0 {
-			return defaults[0]
-		}
 		return DefaultEMAPeriod
 	}
 	return ema.Period