code: def exists(stream_name, region=None, key=None, keyid=None, profile=None):
      '''
      Check if the stream exists. Returns False and the error if it does not.
  
      CLI example::
  
          salt myminion boto_kinesis.exists my_stream region=us-east-1
      '''
      conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
      r = {}
  
      stream = _get_basic_stream(stream_name, conn)
      if 'error' in stream:
          r['result'] = False
          r['error'] = stream['error']
      else:
          r['result'] = True
  
      return f exists(stream_name, region=None, key=None, keyid=None, profile=None):
      '''
      Check if the stream exists. Returns False and the error if it does not.
  
      CLI example::
  
          salt myminion boto_kinesis.exists my_stream region=us-east-1
      '''
      conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
      r = {}
  
      stream = _get_basic_stream(stream_name, conn)
      if 'error' in stream:
          r['result'] = False
          r['error'] = stream['error']
      else:
          r['result'] = True
  
      return r
docs: Check if the stream exists. Returns False and the error if it does not.
  
      CLI example::
  
          salt myminion boto_kinesis.exists my_stream region=us-east-1