From 3faf2cd3abaa00fd1de92f2be6308035d7b29a6f Mon Sep 17 00:00:00 2001
From: Karthik Nadig <kanadig@microsoft.com>
Date: Mon, 5 Mar 2018 14:42:34 -0800
Subject: [PATCH] Fixes missing hover context issue

---
 ptvsd/wrapper.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ptvsd/wrapper.py b/ptvsd/wrapper.py
index ff8f9824..8ebcc6e9 100644
--- a/ptvsd/wrapper.py
+++ b/ptvsd/wrapper.py
@@ -781,7 +781,9 @@ class VSCodeMessageProcessor(ipcjson.SocketIO, ipcjson.IpcChannel):
         xml = untangle.parse(resp_args).xml
         xvar = xml.var
 
-        if args['context'] == 'hover' and xvar['isErrorOnEval'] == 'True':
+        context = args.get('context', '')
+        is_eval_error = xvar.get('isErrorOnEval', '')
+        if context == 'hover' and is_eval_error =='True':
             self.send_response(
                 request,
                 result=None,