don't fetch free balance if we don't use it

freqtrade/freqtradebot.py

@@ -1335,10 +1335,13 @@ class FreqtradeBot(LoggingMixin):
         """
         # Update wallets to ensure amounts tied up in a stoploss is now free!
         self.wallets.update()
+        if self.trading_mode == TradingMode.FUTURES:
+            return amount
+
         trade_base_currency = self.exchange.get_pair_base_currency(pair)
         wallet_amount = self.wallets.get_free(trade_base_currency)
         logger.debug(f"{pair} - Wallet: {wallet_amount} - Trade-amount: {amount}")
-        if wallet_amount >= amount or self.trading_mode == TradingMode.FUTURES:
+        if wallet_amount >= amount:
             # A safe exit amount isn't needed for futures, you can just exit/close the position
             return amount
         elif wallet_amount > amount * 0.98: