diff --git a/uvdat/core/tasks/chart.py b/uvdat/core/tasks/chart.py
index 1f63cf9c..638432a1 100644
--- a/uvdat/core/tasks/chart.py
+++ b/uvdat/core/tasks/chart.py
@@ -4,7 +4,7 @@
 import pandas
 from webcolors import name_to_hex
 
-from uvdat.core.models import Chart, Context, NetworkNode
+from uvdat.core.models import Chart, NetworkNode, Project
 
 
 @shared_task