<form  class="newMessageWindow" id="newMessageForm" action="{{ url_for('addTask')}}" method='POST'>

Title:
<input type="text" id="newTaskTitle" name="newTaskTitle">
<br>
Details:
<input type="text" id="newTaskDetails" name="newTaskDetails">
<br>
Time to do:
<input type="text" id="newTaskTimeToDo" name="newTaskTimeToDo">
<br><br>
Tag:
<input type="radio" id="schoolTag" name="tag" value="school"> School
<input type="radio" id="workTag" name="tag" value="work" > Work
<input type="radio" id="homeTag" name="tag" value="home" > Home

<input type="submit" id="newTaskConfirm" name="confirmReceiverTitle" value="Add">

if request.form['tag'] == "":
    tag = "other"
else:
    tag = request.form['tag']


data = {
    "title": request.form['newTaskTitle'],
    "details": request.form['newTaskDetails'],
    "timeToDo": request.form['newTaskTimeToDo'],
    "tag": tag
}

if request.form['tag'] == None: