Bootstrap Char Field for Django Form

gistfile1.py

from django import forms

class BootstrapCharField(forms.CharField):
    def __init__(self, *args, **kwargs):

        # Grab the placeholder from the kwargs if it exists
        placeholder = kwargs.pop('placeholder') if 'placeholder' in kwargs else u''

        # Build all the defaults
        super(BootstrapCharField, self).__init__(*args, **kwargs)

        # Update the widget to add the Bootstrap class required for forms, .form-control, and apply placeholder
        self.widget = forms.TextInput(attrs={'class': 'form-control', 'placeholder': placeholder})
        
  
class SomeForm(forms.Form):
    """
    A form that uses bootstrap-based form field, got tired of updating the widget constantly.
    """
    name = BootstrapCharField(placeholder='Your name')