Fix feature list match for pca

freqtrade/freqai/data_kitchen.py

@@ -1,5 +1,6 @@
 import copy
 import logging
+import re
 import shutil
 from datetime import datetime, timezone
 from math import cos, sin
@@ -881,6 +882,10 @@ class FreqaiDataKitchen:
         """
         column_names = dataframe.columns
         features = [c for c in column_names if "%" in c]
+        pca_features = [c for c in column_names if re.search(r"^PC\d+$", c)]
+        if not features and pca_features:
+            features = pca_features
+
         if not features:
             raise OperationalException("Could not find any features!")
 

freqtrade/freqai/freqai_interface.py

@@ -434,6 +434,10 @@ class IFreqaiModel(ABC):
             feature_list = dk.data["training_features_list_raw"]
         else:
             feature_list = dk.data['training_features_list']
+
+        if self.ft_params.get('principal_component_analysis', False):
+            feature_list = dk.data['training_features_list']
+
         if dk.training_features_list != feature_list:
             raise OperationalException(
                 "Trying to access pretrained model with `identifier` "