fix notebook

tqdm · Sep 27, 2020 · 315824b · 315824b
1 parent 64fc4f7
commit 315824b
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/tqdm/notebook.py b/tqdm/notebook.py
@@ -192,11 +192,13 @@ def display(self, msg=None, pos=None,
 
     @property
     def colour(self):
-        return self.container.children[-2].style.bar_color
+        if hasattr(self, 'container'):
+            return self.container.children[-2].style.bar_color
 
     @colour.setter
     def colour(self, bar_color):
-        self.container.children[-2].style.bar_color = bar_color
+        if hasattr(self, 'container'):
+            self.container.children[-2].style.bar_color = bar_color
 
     def __init__(self, *args, **kwargs):
         kwargs = kwargs.copy()