python-shell-completion-pdb-string-code

python-shell-completion-pdb-string-code is a variable defined in `python.el'.
Its value is

"';'.join(__PYTHON_EL_get_completions('''%s'''))
"

• This variable is an alias for `python-shell-completion-string-code'.
• This variable is obsolete since 25.1;
  use `python-shell-completion-string-code' instead.

Documentation:
Completion string code must work for (i)pdb.

You can customize this variable.