add

static/script.js

@@ -828,7 +828,7 @@ askBtn.addEventListener('click', async () => {
             formData.append("file", fileInput.files[0]);
             formData.append("query", graphTypeSelect.value);
 
-            const response = await fetch("http://localhost:8000/generate_viz/", {
+            const response = await fetch("/generate_viz/", {
                 method: "POST",
                 body: formData,
                 headers: { 'Accept': 'image/*' }