fixed broken import

MuLMS.py

@@ -25,7 +25,6 @@ from os.path import exists, join
 
 import datasets
 import pandas as pd
-from datasets.utils.download_manager import DownloadManager
 from puima.collection_utils import DocumentCollection
 
 SENT_TYPE = "de.tudarmstadt.ukp.dkpro.core.api.segmentation.type.Sentence"
@@ -249,13 +248,13 @@ class MuLMSDataset(datasets.GeneratorBasedBuilder):
             citation=_CITATION,
         )
 
-    def _split_generators(self, dl_manager: DownloadManager) -> list:
+    def _split_generators(self, dl_manager) -> list:
         """
         Downloads files from URL or reads them from the file system and provides _generate_examples
         with necessary information.
 
         Args:
-            dl_manager (DownloadManager): Handles data retrieval
+            dl_manager: Handles data retrieval
 
         Returns:
             list: Information about files and splits