fix mypy complaintes

dvc/parsing/context.py

@@ -176,8 +176,9 @@ def _convert_with_meta(value, meta: Optional[Meta] = None):
             return value
         if isinstance(value, (list, dict)):
             assert meta
-            container = CtxDict if isinstance(value, dict) else CtxList
-            return container(value, meta=meta)
+            if isinstance(value, dict):
+                return CtxDict(value, meta=meta)
+            return CtxList(value, meta=meta)
         msg = f"Unsupported value of type '{type(value).__name__}' in '{meta}'"
         raise TypeError(msg)
 

dvc/utils/serialize/_common.py

@@ -61,7 +61,7 @@ def _load_data(
 ):
     open_fn = fs.open if fs else open
     encoding = "utf-8"
-    with open_fn(path, encoding=encoding, **kwargs) as fd:  # type: ignore[operator]
+    with open_fn(path, encoding=encoding, **kwargs) as fd:  # type: ignore[arg-type]
         with reraise(UnicodeDecodeError, EncodingError(path, encoding)):
             return parser(fd.read(), path)
 
@@ -74,7 +74,7 @@ def _dump_data(
     **dumper_args,
 ):
     open_fn = fs.open if fs else open
-    with open_fn(path, "w+", encoding="utf-8") as fd:  # type: ignore[operator]
+    with open_fn(path, "w+", encoding="utf-8") as fd:  # type: ignore[call-overload]
         dumper(data, fd, **dumper_args)