Update preprocessing_tutorial.ipynb

Author: evamariie

preprocessing/preprocessing_tutorial.ipynb

@@ -228,11 +228,8 @@
     "from brainles_preprocessing.brain_extraction import HDBetExtractor\n",
     "from brainles_preprocessing.modality import Modality\n",
     "from brainles_preprocessing.preprocessor import Preprocessor\n",
-    "from brainles_preprocessing.registration import ("
-    "    ANTsRegistrator #default",
-    "    NiftyRegRegistrator #support Linux",
-    "    eRegRegistrator #experimental",
-    "    )",
+    "from brainles_preprocessing.registration import ANTsRegistrator, NiftyRegRegistrator, eRegRegistrator\n",
+    "# ANTSRegistrator (default), NiftyRegRegistrator (Linux), eRegRegistrator (experimental)\n",
     "\n",
     "\n",
     "def preprocess_exam_in_brats_style(inputDir: str) -> None:\n",