diff --git a/anemoi/utils/__init__.py b/anemoi/utils/__init__.py
index 08ed5f5..d362110 100644
--- a/anemoi/utils/__init__.py
+++ b/anemoi/utils/__init__.py
@@ -6,4 +6,4 @@
 # nor does it submit to any jurisdiction.
 
 
-__version__ = "0.1.2"
+__version__ = "0.1.3"
diff --git a/anemoi/utils/text.py b/anemoi/utils/text.py
index 5a96bb9..d001706 100644
--- a/anemoi/utils/text.py
+++ b/anemoi/utils/text.py
@@ -15,17 +15,20 @@
 # https://en.wikipedia.org/wiki/Box-drawing_character
 
 
-def dotted_line(n=84, file=sys.stdout):
+def dotted_line(n=84) -> str:
     """_summary_
 
     Parameters
     ----------
     n : int, optional
         _description_, by default 84
-    file : _type_, optional
-        _description_, by default sys.stdout
+
+    Returns
+    -------
+    str
+        _description_
     """
-    print("┈" * n, file=file)
+    return "┈" * n
 
 
 def boxed(text, min_width=80, max_width=80) -> str: