flask get summernote text

1<form action="/updateTest" method="POST">
2 <h1 style="text-align:center">content</h1><textarea name=content id="summernote">{{value}</textarea>
3 <input class="input-btn" type="submit" value="Update">

1@app.route("/addImgSummer", methods=["POST"])
2def addImgSummer():
3    #Grabbing file:
4    img = request.files["file"]    #<------ THIS LINE RIGHT HERE! Is #literally all I needed lol.
5
6    # Below is me replacing the img "src" with my S3 bucket link attached, with the said filename that was added. 
7    imgURL = "https://"+ S3_BUCKET_NAME +".s3.amazonaws.com/images/"+ img.filename
8
9    return jsonify(url = imgURL)

1<style>
2$(document).ready(function() {
3        $('#summernote').summernote({
4            height: 300,
5            focus: true,
6            callbacks: {
7                onImageUpload(files) {
8                  sendFile(files[0], data => {
9                    let imgNode = document.createElement("img");
10                    imgNode.setAttribute('src', data.url)
11                    $(this).summernote('insertNode', imgNode);
12                  })
13                }
14              }
15            });
16        });
17                   var sendFile = function(file, callback) {
18                    var data;
19                    data = new FormData();
20                    data.append("file", file);
21                    return $.ajax({
22                      url: "/addImgSummer",
23                      data: data,
24                      cache: false,
25                      contentType: false,
26                      processData: false,
27                      type: 'POST',
28                      success: function(data) {
29                        return callback(data);
30                      }
31                    });
32                  };
33</style>