class_docstr: When an arg is not present in user kwargs.
class_docstr_tok: ["When","an","arg","is","not","present","in","user","kwargs","."]
code: def __str__(self):
      return f"Missing SQL engine argument {self.missingName}"
  
file_path: blazingsql/pyblazing/pyblazing/apiv2/sqlengines_utils.py
imports: import typing
  from pyblazing.apiv2 import DataType
label_desc: Use image node_id 2 for calling the MissingSQLEngineArgError obj's underlying member method code with example usage: obj.__str__() and returns: str, self