diff --git a/freqtrade/freqtradebot.py b/freqtrade/freqtradebot.py
index c14411893..f4e9c1d5b 100644
--- a/freqtrade/freqtradebot.py
+++ b/freqtrade/freqtradebot.py
@@ -131,18 +131,18 @@ class FreqtradeBot(object):
         time.sleep(duration)
         return result
 
-    def refresh_tickers(self, pair_list: List[str]) -> Dict:
+    def refresh_tickers(self, pair_list: List[str]) -> bool:
         """
         Refresh tickers asyncronously and return the result.
         """
         # TODO: maybe add since_ms to use async in the download-script?
-        # TODO: only refresh once per interval ? *may require this to move to freqtradebot.py
         # TODO: Add tests for this and the async stuff above
-         
+
         ticker_interval = self.strategy.ticker_interval
         interval_in_seconds = constants.TICKER_INTERVAL_MINUTES[ticker_interval] * 60
 
-        should_not_update = ((self._klines_last_fetched_time + interval_in_seconds +1) > round(time.time()))
+        should_not_update = ((self._klines_last_fetched_time +
+                              interval_in_seconds + 1) > round(time.time()))
 
         if should_not_update:
             return False
diff --git a/freqtrade/tests/test_freqtradebot.py b/freqtrade/tests/test_freqtradebot.py
index 3b72c3521..3bf6ad037 100644
--- a/freqtrade/tests/test_freqtradebot.py
+++ b/freqtrade/tests/test_freqtradebot.py
@@ -44,7 +44,7 @@ def patch_get_signal(freqtrade: FreqtradeBot, value=(True, False)) -> None:
     """
     freqtrade.strategy.get_signal = lambda e, s, t: value
     freqtrade.exchange.get_candle_history = lambda p, i: None
-    freqtrade.exchange.refresh_tickers = lambda pl, i: {}
+    freqtrade.refresh_tickers = lambda i: True
 
 
 def patch_RPCManager(mocker) -> MagicMock: