missing __init__.py

freqtrade/exchange/__init__.py

@@ -330,7 +330,7 @@ class Exchange(object):
             return self._cached_ticker[pair]
 
     @retrier
-    def get_ticker_history(self, pair: str, tick_interval: str,
+    def get_candle_history(self, pair: str, tick_interval: str,
                            since_ms: Optional[int] = None) -> List[Dict]:
         try:
             # last item should be in the time interval [now - tick_interval, now]

freqtrade/exchange/exchange_helpers.py

@@ -10,7 +10,7 @@ logger = logging.getLogger(__name__)
 def parse_ticker_dataframe(ticker: list) -> DataFrame:
     """
     Analyses the trend for the given ticker history
-    :param ticker: See exchange.get_ticker_history
+    :param ticker: See exchange.get_candle_history
     :return: DataFrame
     """
     cols = ['date', 'open', 'high', 'low', 'close', 'volume']