[`Main CIs`] Fix the red cis (#30022)

* fix

* sort imports

src/transformers/models/whisper/generation_whisper.py

@@ -12,6 +12,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+import copy
 import math
 import warnings
 import zlib