Only grid (coordinate system), no data

[herrmit]

Hello,

just tried it and got this error on the console. Any idea?

Regards

$ ./app.py

• Serving Flask app "app" (lazy loading)
• Environment: production
  WARNING: Do not use the development server in a production environment.
  Use a production WSGI server instead.
• Debug mode: on
• Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
• Restarting with stat
• Debugger is active!
• Debugger PIN: 337-962-991
  127.0.0.1 - - [24/Oct/2018 13:17:28] "GET / HTTP/1.1" 200 -
  127.0.0.1 - - [24/Oct/2018 13:17:29] "GET /data/bar HTTP/1.1" 200 -
  127.0.0.1 - - [24/Oct/2018 13:17:29] "GET /data/line HTTP/1.1" 200 -
  127.0.0.1 - - [24/Oct/2018 13:17:29] "GET /data/waterfall HTTP/1.1" 200 -
  127.0.0.1 - - [24/Oct/2018 13:17:29] code 400, message Bad request version ('ëaA¤\x90')
  127.0.0.1 - - [24/Oct/2018 13:17:29] "GET /data/multiline HTTP/1.1" 200 -
  127.0.0.1 - - [24/Oct/2018 13:17:29] "GET /data/stocks HTTP/1.1" 200 -
  127.0.0.1 - - [24/Oct/2018 13:17:29] "GET /data/scatter HTTP/1.1" 200 -
  127.0.0.1 - - [24/Oct/2018 13:17:29] "ü�và�âìzG_�©+�¦RÂR� 0Å]Îà¥"ÖÕ ëaA¤�" HTTPStatus.BAD_REQUEST -

[herrmit]

Some strange observations:

1. While Pandas is imported I saw no reference to Pandas in the code.
2. I removed the Pandas import statement and got the same output (no data) and no error messages.

[mandeepsingh-private]

You need to update CDN links

<!-- 
######## ###REMOVE THIS
  <script src="https://cdnjs.cloudflare.com/ajax/libs/vega/3.0.0-beta.30/vega.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/vega-lite/2.0.0-beta.2/vega-lite.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/vega-embed/3.0.0-beta.14/vega-embed.js"></script>-->

############ ADD THIS
    <script src="https://cdn.jsdelivr.net/npm/vega@4"></script>
    <script src="https://cdn.jsdelivr.net/npm/vega-lite@3.0.0-rc12"></script>
    <script src="https://cdn.jsdelivr.net/npm/vega-embed@3"></script>
    <script src="https://vega.github.io/datalib/datalib.min.js"></script>

    <!-- Vega Tooltip 
######## REMOVE THIS
    <script src="https://vega.github.io/vega-tooltip/vega-tooltip.min.js"></script>
    <link rel="stylesheet" type="text/css" href="https://vega.github.io/vega-tooltip/vega-tooltip.css">-->

############  ADD THIS
    <!-- Import Vega 3 & Vega-Lite 2 (does not have to be from CDN) -->
   <link rel="stlesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/vega-tooltip@0.16.0/vega-tooltip.scss">

and rename veg.embed to vegaEmbed

#########  REMOVE THIS
vega.embed("#"+div, url, opt, function(error, result) {
          // result.view is the Vega View, url is the original Vega-Lite specification
          vegaTooltip.vegaLite(result.view, url);
        });

######## Add THIS
        vegaEmbed("#"+div, url, opt, function(error, result) {
          // result.view is the Vega View, url is the original Vega-Lite specification
          vegaTooltip.vegaLite(result.view, url);
        });