field not None (#1882)

Co-authored-by: Mo Chen <mochen@Mos-MacBook-Pro.local>
NanoComp · Jan 4, 2022 · d00febd · d00febd
1 parent a1884b2
commit d00febd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/python/visualization.py b/python/visualization.py
@@ -620,7 +620,7 @@ def plot2D(sim, ax=None, output_plane=None, fields=None, labels=False,
                            labels=labels, monitor_parameters=monitor_parameters)
 
     # Plot fields
-    if fields:
+    if fields is not None:
         ax = plot_fields(sim, ax, fields, output_plane=output_plane,
                          field_parameters=field_parameters)