fix: Remove incorrect usage from flask helper example (#1434)

examples/tracing/templates/index.html

@@ -1,51 +1,47 @@
-<meta name="sentry-trace" content="{{ sentry_trace }}" />
-<script src="https://browser.sentry-cdn.com/6.17.7/bundle.js" crossorigin="anonymous"></script>
 {{ sentry_trace }}
+<script
+  src="https://browser.sentry-cdn.com/6.17.7/bundle.js"
+  crossorigin="anonymous"
+></script>
 <!-- TODO: Replace with real tracing integration once it's fixed -->
 <script src="/static/tracing.js" crossorigin="anonymous"></script>
 
 <script>
-
-
-
-Sentry.init({
+  Sentry.init({
     dsn: "{{ sentry_dsn }}",
-    integrations: [
-        new Sentry.Integrations.Tracing({ tracingOrigins: ['']})
-    ],
-    debug: true
-});
+    integrations: [new Sentry.Integrations.Tracing({tracingOrigins: [""]})],
+    debug: true,
+  });
 
-async function compute() {
+  async function compute() {
     const res = await fetch(
-        "/compute/" +
-        document.getElementsByName('b64str')[0].value
+      "/compute/" + document.getElementsByName("b64str")[0].value,
     );
 
     const token = await res.text();
     wait(token);
 
     return false;
-}
+  }
 
-async function wait(token) {
+  async function wait(token) {
     const res = await fetch("/wait/" + token);
     const line = await res.text();
-    document.getElementById('output').innerHTML += line;
-    document.getElementById('output').innerHTML += '<br>';
+    document.getElementById("output").innerHTML += line;
+    document.getElementById("output").innerHTML += "<br>";
 
-    if(line == "NONE") {
-        window.setTimeout(function() { wait(token) }, 500);
+    if (line == "NONE") {
+      window.setTimeout(function () {
+        wait(token);
+      }, 500);
     }
-}
-
+  }
 </script>
 
-
 <p>Decode your base64 string as a service (that calls another service)</p>
 
-<input value='aGVsbG8gd29ybGQK' name=b64str> A base64 string<br>
-<input type=button value=submit onclick="compute()">
+<input value="aGVsbG8gd29ybGQK" name="b64str" /> A base64 string<br />
+<input type="button" value="submit" onclick="compute()" />
 
 <p>Output:</p>
-<pre id=output />
+<pre id="output" />