Fix crash on fetching colors for invalid user

diff --git a/main.py b/main.py
index 37b79a362e1d0e2b9e1e80854ac9e237c22cafeb..6ef38cd74c7bec905e8d52f289a0b6d0aed4f4ee 100644 (file)
--- a/main.py
+++ b/main.py
@@ -1040,7 +1040,7 @@ def get_user_colors(user_data):
 
     colors = dict(bgcolor=BGCOLOR, fgcolor=FGCOLOR, accolor=ACCOLOR)
     for key in colors:
-        if user_data[key]:
+        if user_data and user_data[key]:
             colors[key] = user_data[key]
 
     return colors