Merge pull request #1425 from BlazZupan/paintdata-empty-dataset

[FIX] PaintData: Send None instead of empty table when the plot is empty
biolab · Jul 7, 2016 · 2f5975f · 2f5975f
2 parents 2230b7c + fd541cb
commit 2f5975f
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Orange/widgets/data/owpaintdata.py b/Orange/widgets/data/owpaintdata.py
@@ -1226,6 +1226,9 @@ def invalidate(self):
         self.commit()
 
     def commit(self):
+        if len(self.data) == 0:
+            self.send("Data", None)
+            return
         if self.hasAttr2:
             X, Y = self.data[:, :2], self.data[:, 2]
             attrs = (Orange.data.ContinuousVariable(self.attr1),