From 27b2021726cedb53f24b7beeee9d599fa630f9f1 Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Mon, 21 Jan 2019 19:56:15 +0100
Subject: [PATCH] Only run once per pair

---
 freqtrade/exchange/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/freqtrade/exchange/__init__.py b/freqtrade/exchange/__init__.py
index 44642476c..62730e034 100644
--- a/freqtrade/exchange/__init__.py
+++ b/freqtrade/exchange/__init__.py
@@ -541,7 +541,7 @@ class Exchange(object):
         input_coroutines = []
 
         # Gather corotines to run
-        for pair, ticker_interval in pair_list:
+        for pair, ticker_interval in set(pair_list):
             # Calculating ticker interval in second
             interval_in_sec = constants.TICKER_INTERVAL_MINUTES[ticker_interval] * 60