temp [ci skip]

Author: benfdking

sqlmesh/core/context.py

@@ -1078,19 +1078,11 @@ def format(
     ) -> bool:
         """Format all SQL models and audits."""
         filtered_targets = [
-            target
-            for target in chain(self._models.values(), self._audits.values())
-            if target._path is not None
-            and target._path.suffix == ".sql"
+            target for target in self._models.values() | self._audits.values()
+            if target._path is not None and target._path.suffix == ".sql"
             and (not paths or any(target._path.samefile(p) for p in paths))
         ]
-        unformatted_file_paths = []
-
         for target in filtered_targets:
-            if (
-                target._path is None
-            ):  # introduced to satisfy type checker as still want to pull filter out as many targets as possible before loop
-                continue
             with open(target._path, "r+", encoding="utf-8") as file:
                 before = file.read()
                 expressions = parse(before, default_dialect=self.config_for_node(target).dialect)