diff --git a/multiviewdata/torchdatasets/mediamill.py b/multiviewdata/torchdatasets/mediamill.py
index 850edc4..9b248d7 100644
--- a/multiviewdata/torchdatasets/mediamill.py
+++ b/multiviewdata/torchdatasets/mediamill.py
@@ -46,7 +46,6 @@ def convert_target(target_str):
 
         train_file, valid_file, test_file = [os.path.join(root, 'mediamill_' + ds + '.libsvm') for ds in
                                              ['train', 'valid', 'test']]
-        print()
 
     @property
     def raw_folder(self) -> str:
diff --git a/multiviewdata/torchdatasets/twitter.py b/multiviewdata/torchdatasets/twitter.py
index ef0cb98..7ff2167 100644
--- a/multiviewdata/torchdatasets/twitter.py
+++ b/multiviewdata/torchdatasets/twitter.py
@@ -109,7 +109,7 @@ def raw_folder(self) -> str:
         return os.path.join(self.root, self.__class__.__name__, "raw")
 
     def __getitem__(self, index):
-        batch = {"index": index.astype(np.float32)}
+        batch = {"index": index}
         batch["userid"] = self.ids[index].astype(np.float32)
         batch["views"] = [view[index].astype(np.float32) for view in self.views]
         return batch
diff --git a/multiviewdata/torchdatasets/wiw.py b/multiviewdata/torchdatasets/wiw.py
index 9f55866..f1bd276 100644
--- a/multiviewdata/torchdatasets/wiw.py
+++ b/multiviewdata/torchdatasets/wiw.py
@@ -71,7 +71,7 @@ def __len__(self):
         return len(self.dataset)
 
     def __getitem__(self, index):
-        batch = {"index": index.astype(np.float32)}
+        batch = {"index": index}
         batch["views"] = [
             self.dataset["%06d" % index][feat + "_feats"][()].astype(np.float32)
             for feat in self.feats
diff --git a/multiviewdata/torchdatasets/xrmb.py b/multiviewdata/torchdatasets/xrmb.py
index e64db31..4dd3e7c 100644
--- a/multiviewdata/torchdatasets/xrmb.py
+++ b/multiviewdata/torchdatasets/xrmb.py
@@ -84,7 +84,7 @@ def __getitem__(self, index):
                 self.dataset["view_1"][index].astype(np.float32),
                 self.dataset["view_2"][index].astype(np.float32),
             ),
-            "index": index.astype(np.float32),
+            "index": index,
         }
 
     def _check_exists(self) -> bool: