[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

trio/_shared_task.py

@@ -15,9 +15,7 @@
 # matching.
 def _unpack_call(fn, args, kwargs):
     if isinstance(fn, functools.partial):
-        inner_fn, inner_args, inner_kwargs = _call_to_key(
-            fn.func, fn.args, fn.kwargs
-        )
+        inner_fn, inner_args, inner_kwargs = _call_to_key(fn.func, fn.args, fn.kwargs)
         fn = inner_fn
         args = (*inner_args, *args)
         kwargs = {**inner_kwargs, **kwargs}