[py] Fix annotations loader

src/bob/bio/base/utils/annotations.py

@@ -77,7 +77,7 @@ def read_annotation_file(file_name, annotation_type):
 
     if ":" in file_name:
         base_path, tail = file_name.split(":", maxsplit=1)
-        f = search_and_open(search_pattern=[tail], base_dir=base_path)
+        f = search_and_open(search_pattern=tail, base_dir=base_path)
     else:
         if not os.path.exists(file_name):
             raise IOError("The annotation file '%s' was not found" % file_name)