new_contents: # -*- coding: utf-8 -*-
  import decimal
  
  from flask_wtf import FlaskForm
  from wtforms import (BooleanField, DecimalField, Field, TextField, SelectMultipleField,
                       IntegerField, SubmitField)
  from wtforms.widgets import TextInput
  
  # make a base class or other utility with this instead..
  class TagListField(Field):
      widget = TextInput()
  
      def _value(self):
          if self.data:
              return ', '.join(self.data)
          else:
              return ''
  
      def process_formdata(self, valuelist):
          if valuelist:
              self.data = [x.strip() for x in valuelist[0].split(',') if x.strip()]
          else:
              self.data = []
  
  class GeneVariantFiltersForm(FlaskForm):
      """Base FiltersForm for SNVs"""
      variant_type = SelectMultipleField(choices=[('clinical','clinical'),('research','research')])
      hgnc_symbols = TagListField('HGNC Symbols/Ids (case sensitive)')
      rank_score = IntegerField('Rank Score')
      filter_variants = SubmitField(label='Filter variants')
  
subject: Add forms file..