How to use the pudb.settings.save_config function in pudb

def min_sidebar(w, size, key):
            from pudb.settings import save_config

            weight = 1/5
            CONFIG["sidebar_width"] = weight
            save_config(CONFIG)

            self.columns.column_types[1] = "weight", weight
            self.columns._invalidate()

import urwid
import bdb
import gc
import os
import sys
from functools import partial
from types import TracebackType

from pudb.lowlevel import decode_lines
from pudb.settings import load_config, save_config
from pudb.py3compat import PY3, raw_input, execfile

CONFIG = load_config()
save_config(CONFIG)

HELP_HEADER = r"""
Key Assignments: Use Arrow Down/Up or Page Down/Up to scroll.
"""

HELP_MAIN = r"""
Keys:
    Ctrl-p - edit preferences

    n - step over ("next")
    s - step into
    c - continue
    r/f - finish current function
    t - run to cursor
    e - show traceback [post-mortem or in exception state]
    b - set/clear breakpoint

if len(weights) != len(self.rhs_col.item_types):
              weights[index - 1] = weights[index + 1]
              weights = weights[:-1]
            while True:
              for idx in range(len(weights)):
                weights[idx] = min(max_weight, max(min_weight, weights[idx]))
              adjust = 1.0 * (len(weights) - sum(weights)) / len(weights)
              weights = [weight + adjust for weight in weights]
              if adjust == 0.0:
                break

            for idx, name in enumerate(['variables', 'stack', 'breakpoints']):
              CONFIG[name + '_weight'] = weights[idx]
              self.rhs_col.item_types[idx] = "weight", weights[idx]

            save_config(CONFIG)
            self.rhs_col._invalidate()

"\nChanges in version 2011.2:\n\n"
                    "- Fix for post-mortem debugging (contributed by 'Sundance')\n"

                    "\nChanges in version 2011.1:\n\n"
                    "- Breakpoints saved between sessions\n"
                    "- A new 'dark vim' theme\n"
                    "(both contributed by Naveen Michaud-Agrawal)\n"

                    "\nChanges in version 0.93:\n\n"
                    "- Stored preferences (no more pesky IPython prompt!)\n"
                    "- Themes\n"
                    "- Line numbers (optional)\n"
                    % VERSION)
            from pudb.settings import save_config
            save_config(CONFIG)
            self.run_edit_config()

        try:
            if toplevel is None:
                toplevel = self.top

            self.size = self.screen.get_cols_rows()

            self.quit_event_loop = False

            while not self.quit_event_loop:
                canvas = toplevel.render(self.size, focus=True)
                self.screen.draw_screen(self.size, canvas)
                keys = self.screen.get_input()

                for k in keys:

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
"""


NUM_VERSION = (2019, 2)
VERSION = ".".join(str(nv) for nv in NUM_VERSION)
__version__ = VERSION

from pudb.py3compat import raw_input, PY3

from pudb.settings import load_config, save_config
CONFIG = load_config()
save_config(CONFIG)


class PudbShortcuts(object):
    @property
    def db(self):
        import sys
        dbg = _get_debugger()

        import threading
        if isinstance(threading.current_thread(), threading._MainThread):
            set_interrupt_handler()
        dbg.set_trace(sys._getframe().f_back)

    @property
    def go(self):
        import sys

def run_edit_config(self):
        from pudb.settings import edit_config, save_config
        edit_config(self, CONFIG)
        save_config(CONFIG)

def grow_sidebar(w, size, key):
            from pudb.settings import save_config

            _, weight = self.columns.column_types[1]

            if weight < 5:
                weight *= 1.25
                CONFIG["sidebar_width"] = weight
                save_config(CONFIG)
                self.columns.column_types[1] = "weight", weight
                self.columns._invalidate()

def max_sidebar(w, size, key):
            from pudb.settings import save_config

            weight = 5
            CONFIG["sidebar_width"] = weight
            save_config(CONFIG)

            self.columns.column_types[1] = "weight", weight
            self.columns._invalidate()

"- New theme 'midnight' (submitted by Aaron Meurer)\n"
                    "- Support for IPython 0.11 (submitted by Chris Farrow)\n"
                    "- Suport for custom stringifiers (submitted by Aaron Meurer)\n"
                    "\nNew features in version 2011.2:\n\n"
                    "- Fix for post-mortem debugging (submitted by 'Sundance')\n"
                    "\nNew features in version 2011.1:\n\n"
                    "- Breakpoints saved between sessions\n"
                    "- A new 'dark vim' theme\n"
                    "(both contributed by Naveen Michaud-Agrawal)\n"
                    "\nNew features in version 0.93:\n\n"
                    "- Stored preferences (no more pesky IPython prompt!)\n"
                    "- Themes\n"
                    "- Line numbers (optional)\n"
                    % VERSION)
            from pudb.settings import save_config
            save_config(CONFIG)
            self.run_edit_config()


        try:
            if toplevel is None:
                toplevel = self.top

            self.size = self.screen.get_cols_rows()

            self.quit_event_loop = False

            while not self.quit_event_loop:
                canvas = toplevel.render(self.size, focus=True)
                self.screen.draw_screen(self.size, canvas)
                keys = self.screen.get_input()
                keys = self.double_press_input_filter(keys, None)

def run_edit_config(self):
        from pudb.settings import edit_config, save_config
        edit_config(self, CONFIG)
        save_config(CONFIG)