diff --git a/freqtrade/data/converter.py b/freqtrade/data/converter.py
index 2b8406ff1..c32338bbe 100644
--- a/freqtrade/data/converter.py
+++ b/freqtrade/data/converter.py
@@ -30,7 +30,7 @@ def parse_ticker_dataframe(ticker: list, ticker_interval: str,
                                 infer_datetime_format=True)
 
     # Some exchanges return int values for volume and even for ohlc.
-    # Convert them since TA-LIB indicators used in the strategy assume floats 
+    # Convert them since TA-LIB indicators used in the strategy assume floats
     # and fail with exception...
     frame = frame.astype(dtype={'open': 'float', 'high': 'float', 'low': 'float', 'close': 'float',
                                 'volume': 'float'})