diff --git a/freqtrade/optimize/optimize_reports/bt_output.py b/freqtrade/optimize/optimize_reports/bt_output.py
index afef4c4bb..5cef3dc57 100644
--- a/freqtrade/optimize/optimize_reports/bt_output.py
+++ b/freqtrade/optimize/optimize_reports/bt_output.py
@@ -78,7 +78,7 @@ def text_table_tags(tag_type: str, tag_results: List[Dict[str, Any]], stake_curr
     output = [
         [
             t['key'] if t.get('key') is not None and len(
-                t['key']) > 0 else t.get(fallback, "OTHER"),
+                str(t['key'])) > 0 else t.get(fallback, "OTHER"),
             t['trades'],
             t['profit_mean_pct'],
             t['profit_total_abs'],
diff --git a/freqtrade/optimize/optimize_reports/optimize_reports.py b/freqtrade/optimize/optimize_reports/optimize_reports.py
index e9c0f44f8..d4b37d4ee 100644
--- a/freqtrade/optimize/optimize_reports/optimize_reports.py
+++ b/freqtrade/optimize/optimize_reports/optimize_reports.py
@@ -349,8 +349,6 @@ def generate_strategy_stats(pairlist: List[str],
                                              results=results, skip_nan=False)
     exit_reason_stats = generate_tag_metrics('exit_reason', starting_balance=start_balance,
                                              results=results, skip_nan=False)
-    # exit_reason_stats = generate_exit_reason_stats(max_open_trades=max_open_trades,
-    #                                                results=results)
     left_open_results = generate_pair_metrics(
         pairlist, stake_currency=stake_currency, starting_balance=start_balance,
         results=results.loc[results['exit_reason'] == 'force_exit'], skip_nan=True)