[backend][resourcemodels] Fix is_valid use

beat/editor/backend/resourcemodels.py

@@ -24,6 +24,7 @@
 ###############################################################################
 
 import logging
+
 import simplejson as json
 
 from PyQt5.QtSql import QSqlDatabase
@@ -112,7 +113,9 @@ class ExperimentResources:
 
         for algorithm in model.stringList():
             asset = Asset(prefix_path, AssetType.ALGORITHM, algorithm)
-            if not asset.is_valid:
+            is_valid, _ = asset.is_valid()
+            if not is_valid:
+                logger.debug("Skipping invalid algorithm {}".format(algorithm))
                 continue
 
             declaration = asset.declaration
@@ -313,10 +316,10 @@ class DatasetResourceModel(QSqlTableModel):
         self.select()
 
     def update(self):
-        filter_str = f""
+        filter_str = ""
 
         if self._output_count is not None:
-            filter_str += f"outputs={self._output_count}"
+            filter_str = f"outputs={self._output_count}"
 
         self.setFilter(filter_str)