form_example_errors.html

<form method=”post” action=”{{ url_for(‘correlation’) }}”>
 {{ form.hidden_tag() }}
<div class=”form-group row”>
 <div class=”col-sm-10 col-lg-10">
 {{ form.stock1.label |safe }} {{ form.stock1(placeholder=”e.g., GOOG”, class=”form-control”)|safe }} {% if form.stock1.errors %}
 <ul class=”alert alert-info alert-dismissible” role=”alert”>
 <button type=”button” class=”close” data-dismiss=”alert” aria-label=”Close” <span aria-hidden=”true”>&times;</span>
 </button>
 {% for error in form.stock1.errors %}
 <strong>{{ error }}</strong> {% endfor %}
 </ul>
 {% endif %}
 </div>
 </div>
</form>