Swap line break characters for div elements you can style. Useful for Displaying Textarea input values.

helpers.py

def nl2lb(value):
    return value.replace('\n', '<div class="line-break"></div>')
  
# Or even simpler
def nl2br(value):
    return value.replace('\n', '<br>')

styles.css

.line-break {
    margin-bottom: 11px;
}