class RangeField(**options) [source]
 
Base class for model range fields.
- 
base_field - 
The model field class to use.
 
- 
range_type - 
The psycopg2 range type to use.
 
- 
form_field - 
The form field class to use. Should be a subclass of
django.contrib.postgres.forms.BaseRangeField. 
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