fix issue

freqtrade/templates/freqaiprimer.py

@@ -248,8 +248,10 @@ class FreqaiPrimer(IStrategy):
         
         # 确保df_15m中包含rsi_15m列，如果没有则计算
         if 'rsi_15m' not in df_15m.columns:
-            # 使用talib计算14期RSI
-            df_15m['rsi_15m'] = self.talib.RSI(df_15m['close'], timeperiod=14)
+            # 使用pandas_ta计算14期RSI
+            import pandas_ta as ta
+            rsi_series = ta.rsi(df_15m['close'], length=14)
+            df_15m['rsi_15m'] = rsi_series
         
         df_15m = df_15m.rename(columns={'date': 'date_15m'})
         merged_data = dataframe.merge(df_15m[['date_15m', 'rsi_15m']], how='left', left_on='date', right_on='date_15m')