 from django import forms <EOL> class DateForm ( forms . Form ) : <EOL> start = forms . DateField ( input_formats = [ '<STR_LIT>' ] , required = False ) <EOL> end = forms . DateField ( input_formats = [ '<STR_LIT>' ] , required = False ) 
 last = forms . IntegerField ( required = False ) </s>

 from django import forms <EOL> class DateForm ( forms . Form ) : <EOL> start = forms . DateField ( input_formats = [ '<STR_LIT>' ] , required = False ) <EOL> end = forms . DateField ( input_formats = [ '<STR_LIT>' ] , required = False ) <EOL> last = forms . IntegerField ( required = False ) </s>
