Remove unneeded function

freqtrade/data/btanalysis.py

@@ -179,7 +179,7 @@ def load_trades_from_db(db_url: str, strategy: Optional[str] = None) -> pd.DataF
 
     filters = []
     if strategy:
-        filters = Trade.strategy == strategy
+        filters.append(Trade.strategy == strategy)
 
     trades = pd.DataFrame([(t.pair,
                             t.open_date.replace(tzinfo=timezone.utc),

freqtrade/optimize/optimize_reports.py

@@ -31,20 +31,6 @@ def store_backtest_stats(recordfilename: Path, stats: Dict[str, DataFrame]) -> N
     file_dump_json(latest_filename, {'latest_backtest': str(filename.name)})
 
 
-def backtest_result_to_list(results: DataFrame) -> List[List]:
-    """
-    Converts a list of Backtest-results to list
-    :param results: Dataframe containing results for one strategy
-    :return: List of Lists containing the trades
-    """
-    # Return 0 as "index" for compatibility reasons (for now)
-    # TODO: Evaluate if we can remove this
-    return [[t.pair, t.profit_percent, t.open_date.timestamp(),
-             t.close_date.timestamp(), 0, t.trade_duration,
-             t.open_rate, t.close_rate, t.open_at_end, t.sell_reason.value]
-            for index, t in results.iterrows()]
-
-
 def _get_line_floatfmt() -> List[str]:
     """
     Generate floatformat (goes in line with _generate_result_line())