canvasmain: Fix typing error in render_error_details

ales-erjavec · ales-erjavec · commit 589865b1a211 · 2021-01-04T11:07:24.000+01:00
diff --git a/orangecanvas/application/canvasmain.py b/orangecanvas/application/canvasmain.py
@@ -2738,7 +2738,7 @@ 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
`@@ -2738,7 +2738,7 @@ def collectall(`
`2738`	`2738`	`IncompatibleChannelTypeError))`
`2739`	`2739`	`)`
`2740`	`2740`	`contents = []`
`2741`		`- if missing_node_defs is not None:`
	`2741`	`+ if missing_node_defs:`
`2742`	`2742`	`contents.extend([`
`2743`	`2743`	`"Missing node definitions:",`
`2744`	`2744`	`*[" \N{BULLET} " + e.args[0] for e in missing_node_defs],`