Repository: dask/dask
File: dask/_task_spec.py (Python)

Code before:
            subgraph = func
            all_keys_inner = _MultiContainer(
                subgraph.dsk, set(subgraph.inkeys), all_keys
            )
            sub_dsk = subgraph.dsk
            deps: set[KeyType] = set()
            converted_subgraph = convert_legacy_graph(sub_dsk, all_keys_inner)
            for v in converted_subgraph.values():
                if isinstance(v, GraphNode):
                    deps.update(v.dependencies)

            # There is an explicit and implicit way to provide dependencies /
            # data to a SubgraphCallable. Since we're not recursing into any
            # containers any more we'll have to provide those arguments in a
            # more explicit way as a separate argument.

            # The explicit way are arguments to the subgraph callable. Those can
            # again be tasks.

            explicit_inkeys = dict()
            for k, target in zip(subgraph.inkeys, args):
                explicit_inkeys[k] = t = convert_legacy_task(None, target, all_keys)
                if isinstance(t, GraphNode):
                    deps.update(t.dependencies)
            explicit_inkeys_wrapped = _wrap_dict_in_task(explicit_inkeys)
            deps.update(explicit_inkeys_wrapped.dependencies)

            # The implicit way is when the tasks inside of the subgraph are
            # referncing keys that are not part of the subgraph but are part of
            # the outer graph.

            deps -= set(subgraph.dsk)
            deps -= set(subgraph.inkeys)

            implicit_inkeys = dict()
            for k in deps - explicit_inkeys_wrapped.dependencies:
                assert k is not None
                implicit_inkeys[k] = Alias(k)

            return Task(
                k,
                _execute_subgraph,
                converted_subgraph,
                func.outkey,
                explicit_inkeys_wrapped,
                _wrap_dict_in_task(implicit_inkeys),
                _dependencies=deps,
            )
        else:
            new_args = []
            for a in args:

Review comment (suggestion):
```suggestion
            # referencing keys that are not part of the subgraph but are part of
```

Code after:
            deps -= set(subgraph.dsk)
            deps -= set(subgraph.inkeys)

            implicit_inkeys = dict()
            for k in deps - explicit_inkeys_wrapped.dependencies:
                assert k is not None
                implicit_inkeys[k] = Alias(k)
            return Task(
                key,
                _execute_subgraph,
                converted_subgraph,
                func.outkey,
                explicit_inkeys_wrapped,
                Dict(implicit_inkeys),
            )
        else:
            new_args = []
            new: object
            for a in args:
                if isinstance(a, dict):
                    new = Dict(a)
                else:
                    new = convert_legacy_task(None, a, all_keys)
                new_args.append(new)
            return Task(key, func, *new_args)
    try:
        if isinstance(task, (bytes, int, float, str, tuple)):
            if task in all_keys:
                if key is None:
                    return Alias(task)
                else:
                    return Alias(key, target=task)
    except TypeError:
        # Unhashable
        pass

    if isinstance(task, (list, tuple, set, frozenset)):
        if is_namedtuple_instance(task):
            return _wrap_namedtuple_task(
                key,
                task,
                partial(
                    convert_legacy_task,
                    None,
                    all_keys=all_keys,
                ),
            )
        else:
            parsed_args = tuple(convert_legacy_task(None, t, all_keys) for t in task)
            if any(isinstance(a, GraphNode) for a in parsed_args):
                return Task(