Change "/data.cgi" to "/data"

visualizer/__init__.py

@@ -34,6 +34,6 @@ def render_plotter(embedded):
     return render_template('plotter.html')
 
 
-@app.route('/data.cgi')
-def data_cgi():
+@app.route('/data')
+def data_json():
     return res_queried_data()

visualizer/static/visualizer.js

@@ -162,7 +162,7 @@ async function getData(name, year) {
   if (data === undefined) {
     try {
       data = await fetchData(
-        `${SCRIPT_ROOT}/data.cgi?station=${name}&year=${year}`);
+        `${SCRIPT_ROOT}/data?station=${name}&year=${year}`);
     } catch (err) {
       console.error(err);
       alert(`Error fetching data for ${name}, ${year}`);