class_docstr: Universal Gremlin<>pandas/graphistry functionality across Gremlin connectors
  
  Currently serializes queries as strings instead of bytecode in order to support cosmosdb
docstr: Use previously provided credentials to connect. Disconnect any preexisting clients.
docstr_tok: ["Use","previously","provided","credentials","to","connect",".","Disconnect","any","preexisting","clients","."]
code: def connect(self):
      """
      Use previously provided credentials to connect. Disconnect any preexisting clients.
      """
  
      if self._reconnect_gremlin is None:
          raise ValueError(
              "No gremlin client; either pass one in or use a built-in like cosmos"
          )
  
      return self._reconnect_gremlin(self)
  
imports: from typing import Any, Callable, Iterable, List, Optional, Set, Union, TYPE_CHECKING
  import os, pandas
  from .Plottable import Plottable
  from .util import setup_logger
label_desc: Use image node_id 3 for calling the GremlinMixin obj's underlying member method code with example usage: obj.connect() and returns: self