dot fix

nndet/io/paths.py

@@ -171,7 +171,11 @@ def get_case_id_from_file(file_name: str, remove_modality: bool = True) -> str:
     Returns:
         str: name of file without ending
     """
-    file_name = file_name.split('.')[0]
+    if file_name.endswith(".nii.gz"):
+        file_name = file_name.rsplit(".", 2)[0]
+    else:
+        file_name = file_name.rsplit(".", 1)[0]
+
     if remove_modality:
         file_name = file_name[:-5]
     return file_name