Untitled

@app.route('/')
def dir_listing(file_Idx=0):

    # Return 404 if path doesn't exist
    if not os.path.exists(DOWNLOAD_FOLDER):
        print("PATH IS NONEXISTENCT!!!!")
        return abort(404)

    # Show directory contents
    files = os.listdir(DOWNLOAD_FOLDER)
    filePath = os.path.join(DOWNLOAD_FOLDER, files[file_Idx])

    return render_template('files.html', file=filePath, file_Idx=file_Idx)

@app.route('/', methods=['GET', 'POST'])
def upload_file(file_Idx=0, label1 = 'someLabel', label2 = 'someLabel2'):
    print(request.files) #returns as empty dict
    if request.method == 'POST' or request.method == 'GET':
        if 'file' not in request.files:
            #Jumps in here every time
            return redirect(request.url)
        #... to be implemented to move file to correct location
    return redirect(url_for('dir_listing', file_Idx=file_Idx))

<body>
    <form method=post>
        <img id=fileId type=file name=file width="200" height="200" src="{{ file }}"/>
        <input type=submit value=Upload>
    </form>
</body>