diff --git a/deeplabcut/gui/widgets.py b/deeplabcut/gui/widgets.py
index 855f69400..60ca41dbd 100644
--- a/deeplabcut/gui/widgets.py
+++ b/deeplabcut/gui/widgets.py
@@ -183,6 +183,9 @@ def write(self, text):
         if text != "\n":
             self.queue.put(text)
 
+    def isatty(self):
+        return False
+
     def flush(self):
         pass