Fix mypy type errors

2021-10-24 15:18:29 +02:00
parent 17432b2823
commit 22dd2ca003
3 changed files with 7 additions and 7 deletions
--- a/freqtrade/optimize/optimize_reports.py
+++ b/freqtrade/optimize/optimize_reports.py
@@ -165,7 +165,7 @@ def generate_tag_metrics(tag_type: str,
        tabular_data.append(_generate_result_line(results, starting_balance, 'TOTAL'))
        return tabular_data
    else:
-        return None
+        return []


 def _generate_tag_result_line(result: DataFrame, starting_balance: int, first_column: str) -> Dict: