code: def filter_by_type():
      
      if request.method == 'OPTIONS':
          return {}
      response = request.body.read().decode('utf-8')
      body = json.loads(response)
      stmts_json = body.get('statements')
      stmt_type_str = body.get('type')
      stmt_type_str = stmt_type_str.capitalize()
      stmt_type = getattr(sys.modules[__name__], stmt_type_str)
      stmts = stmts_from_json(stmts_json)
      stmts_out = ac.filter_by_type(stmts, stmt_type)
      return _return_stmts(stmts_out)
docs: Filter to a given INDRA Statement type.