fix reduce() TypeError in hyperopts

2019-05-24 23:08:56 +03:00
parent 1a5dbd29e0
commit c3e93e7593
3 changed files with 20 additions and 15 deletions
--- a/docs/hyperopt.md
+++ b/docs/hyperopt.md
@@ -122,9 +122,10 @@ So let's write the buy strategy using these values:
                        dataframe['macd'], dataframe['macdsignal']
                    ))

-            dataframe.loc[
-                reduce(lambda x, y: x & y, conditions),
-                'buy'] = 1
+            if conditions:
+                dataframe.loc[
+                    reduce(lambda x, y: x & y, conditions),
+                    'buy'] = 1

            return dataframe