ensure backwards compatitibility

2022-11-02 20:20:35 +01:00
parent 1a38c10fc6
commit ce92731132
2 changed files with 3 additions and 2 deletions
--- a/freqtrade/freqai/data_kitchen.py
+++ b/freqtrade/freqai/data_kitchen.py
@@ -1156,7 +1156,8 @@ class FreqaiDataKitchen:
            valid_strs = [f"%-{pair}", f"%{pair}", f"%_{pair}"]
            pair_cols = [col for col in dataframe.columns if
                         any(substr in col for substr in valid_strs)]
-            pair_cols.insert(0, 'date')
+            if pair_cols:
+                pair_cols.insert(0, 'date')
            corr_dataframes[pair] = dataframe.filter(pair_cols, axis=1)

        return corr_dataframes