class_docstr: Cuckoo Filter commands.
class_docstr_tok: ["Cuckoo","Filter","commands","."]
docstr: Check whether an `item` exists in Cuckoo Filter `key`.
  For more information see `CF.EXISTS <https://redis.io/commands/cf.exists>`_.
docstr_tok: ["Check","whether","an","`","item","`","exists","in","Cuckoo","Filter","`","key","`",".","For","more","information","see","`","CF.EXISTS","<","https",":","\/\/redis.io\/commands\/cf.exists",">","`","_","."]
code: def exists(self, key, item):
      """
      Check whether an `item` exists in Cuckoo Filter `key`.
      For more information see `CF.EXISTS <https://redis.io/commands/cf.exists>`_.
      """  # noqa
      return self.execute_command(CF_EXISTS, key, item)
  
imports: from redis.client import NEVER_DECODE
  from redis.exceptions import ModuleError
  from redis.utils import HIREDIS_AVAILABLE, deprecated_function
label_desc: Use image node_id 6 for calling the CFCommands obj's underlying member method code with example usage: obj.exists(key, item) and returns: self