make style and make quality

Author: dg845

src/diffusers/pipelines/ltx2/export_utils.py

@@ -13,10 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from collections.abc import Generator, Iterator
+from collections.abc import Iterator
 from fractions import Fraction
 from itertools import chain
-from typing import List, Optional, Tuple, Union
+from typing import List, Optional, Union
 
 import numpy as np
 import PIL.Image