diff --git a/src/diffusers/pipelines/ltx/pipeline_ltx_i2v_long_multi_prompt.py b/src/diffusers/pipelines/ltx/pipeline_ltx_i2v_long_multi_prompt.py
index 6d62da987d..838d5afc5c 100644
--- a/src/diffusers/pipelines/ltx/pipeline_ltx_i2v_long_multi_prompt.py
+++ b/src/diffusers/pipelines/ltx/pipeline_ltx_i2v_long_multi_prompt.py
@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import annotations
+
 import copy
 from typing import Any, Callable