canvasmain: Fix typing error in render_error_details

ales-erjavec · ales-erjavec · commit 23b7b6b2f524 · 2020-09-15T13:04:04.000+02:00
diff --git a/orangecanvas/application/canvasmain.py b/orangecanvas/application/canvasmain.py
@@ -2698,7 +2698,7 @@ def collectall(
                                      IncompatibleChannelTypeError))
     )
     contents = []
-    if missing_node_defs is not None:
+    if missing_node_defs:
         contents.extend([
             "Missing node definitions:",
             *["  \N{BULLET} " + e.args[0] for e in missing_node_defs],

Original file line number	Diff line number	Diff line change
`@@ -2698,7 +2698,7 @@ def collectall(`
`2698`	`2698`	`IncompatibleChannelTypeError))`
`2699`	`2699`	`)`
`2700`	`2700`	`contents = []`
`2701`		`- if missing_node_defs is not None:`
	`2701`	`+ if missing_node_defs:`
`2702`	`2702`	`contents.extend([`
`2703`	`2703`	`"Missing node definitions:",`
`2704`	`2704`	`*[" \N{BULLET} " + e.args[0] for e in missing_node_defs],`