docstr: Close any existing connections.
docstr_tok: ["Close","any","existing","connections","."]
code: def disconnect(self):
      """
      Close any existing connections.
      """
      pass
  
file_path: evadb/evadb/third_party/databases/github/github_handler.py
imports: import github
  import pandas
  from evadb.third_party.databases.github.table_column_info import STARGAZERS_COLUMNS
  from evadb.third_party.databases.types import DBHandler, DBHandlerResponse, DBHandlerStatus
label_desc: Use image node_id 4 for calling the GithubHandler obj's underlying member method code with example usage: obj.disconnect() without return types