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Handle execution errors with empty traceback entries similar to Lab #6466

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Handle execution errors with empty traceback entries similar to Lab #6466

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9 changes: 8 additions & 1 deletion notebook/static/notebook/js/outputarea.js
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Original file line number Diff line number Diff line change
Expand Up @@ -505,14 +505,21 @@ define([


OutputArea.prototype.append_error = function (json) {
var ename = json.ename;
var evalue = json.evalue;
var tb = json.traceback;
var s = '';
if (tb !== undefined && tb.length > 0) {
var s = '';
var len = tb.length;
for (var i=0; i<len; i++) {
s = s + tb[i] + '\n';
}
s = s + '\n';
} else if (ename !== undefined && ename.length > 0 && evalue !== undefined && evalue.length > 0) {
// If traceback is empty, and we have ename and evalue entries, concatenate the two to display
s = ename + ': ' + evalue;
}
if (s.length > 0) {
var toinsert = this.create_output_area();
var append_text = OutputArea.append_map[MIME_TEXT];
if (append_text) {
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