Merge pull request #826 from gcarq/fix/hyperopt-stake_currency

Fix stake_currency returned by Hyperopt  …

freqtrade/optimize/__init__.py

@@ -104,8 +104,10 @@ def load_data(datadir: str,
             result[pair] = pairdata
         else:
             logger.warning(
-                'No data for pair %s, use --refresh-pairs-cached to download the data',
-                pair
+                'No data for pair: "%s", Interval: %s. '
+                'Use --refresh-pairs-cached to download the data',
+                pair,
+                ticker_interval
             )
 
     return result

freqtrade/optimize/hyperopt.py

@@ -480,16 +480,16 @@ class Hyperopt(Backtesting):
             'result': result_explanation,
         }
 
-    @staticmethod
-    def format_results(results: DataFrame) -> str:
+    def format_results(self, results: DataFrame) -> str:
         """
         Return the format result in a string
         """
         return ('{:6d} trades. Avg profit {: 5.2f}%. '
-                'Total profit {: 11.8f} BTC ({:.4f}Σ%). Avg duration {:5.1f} mins.').format(
+                'Total profit {: 11.8f} {} ({:.4f}Σ%). Avg duration {:5.1f} mins.').format(
                     len(results.index),
                     results.profit_percent.mean() * 100.0,
                     results.profit_BTC.sum(),
+                    self.config['stake_currency'],
                     results.profit_percent.sum(),
                     results.duration.mean(),
                 )