class_docstr: MongoDB TaskRecord backend.
class_docstr_tok: ["MongoDB","TaskRecord","backend","."]
docstr: Remove a record from the DB.
docstr_tok: ["Remove","a","record","from","the","DB","."]
code: def drop_record(self, msg_id):
      """Remove a record from the DB."""
      self._records.remove({"msg_id": msg_id})
  
file_path: ipyparallel/ipyparallel/controller/mongodb.py
imports: from traitlets import Dict, Instance, List, Unicode
  from .dictdb import BaseDB
label_desc: Use image node_id 7 for calling the MongoDB obj's underlying member method code with example usage: obj.drop_record(msg_id) without return types