From 55bb50d2962166d8c6115cd09f32b02ed09fc5d3 Mon Sep 17 00:00:00 2001
From: Ben Jackson <ben.jackson@fidessa.com>
Date: Fri, 20 Dec 2019 12:03:04 +0000
Subject: [PATCH] line sometiems not supplied; source is optional

---
 python3/vimspector/stack_trace.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/python3/vimspector/stack_trace.py b/python3/vimspector/stack_trace.py
index bc150f4..cf3be50 100644
--- a/python3/vimspector/stack_trace.py
+++ b/python3/vimspector/stack_trace.py
@@ -172,8 +172,9 @@ class StackTraceView( object ):
       if 'line' in frame and frame[ 'line' ] > 0:
         self._currentFrame = frame
         return self._session.SetCurrentFrame( self._currentFrame )
+      return False
 
-    source = frame.get( 'source', {} )
+    source = frame.get( 'source' ) or {}
     if source.get( 'sourceReference', 0 ) > 0:
       def handle_resolved_source( resolved_source ):
         frame[ 'source' ] = resolved_source