Update code style in exceptions.c

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

Author: dr-carlos

Objects/exceptions.c

@@ -1075,7 +1075,8 @@ BaseExceptionGroup_repr(PyObject *op)
     PyObject* excs_orig = PyTuple_GET_ITEM(self->args, 1);
     if (PyList_Check(excs_orig)) {
         excs_orig = PySequence_List(self->excs);
-    } else {
+    }
+    else {
         excs_orig = Py_NewRef(self->excs);
     }