fix bug

qlib/data/data.py

@@ -694,7 +694,7 @@ class LocalFeatureProvider(FeatureProvider, ProviderBackendMixin):
 
     def __init__(self, remote=False, backend={}):
         super().__init__()
-        self.remote = kwargs.get("remote", False)
+        self.remote = remote
         self.backend = backend
 
     def feature(self, instrument, field, start_index, end_index, freq):

qlib/data/ops.py

@@ -1391,14 +1391,14 @@ def __str__(self):
 
     def _load_internal(self, instrument, start_index, end_index, freq):
         assert any(
-            [isinstance(self.feature_left, TExpression), self.feature_right, TExpression]
+            [isinstance(self.feature_left, Expression), self.feature_right, Expression]
         ), "at least one of two inputs is Expression instance"
 
-        if isinstance(self.feature_left, TExpression):
+        if isinstance(self.feature_left, Expression):
             series_left = self.feature_left.load(instrument, start_index, end_index, freq)
         else:
             series_left = self.feature_left  # numeric value
-        if isinstance(self.feature_right, TExpression):
+        if isinstance(self.feature_right, Expression):
             series_right = self.feature_right.load(instrument, start_index, end_index, freq)
         else:
             series_right = self.feature_right