[PyInstaller] Size of .exe bigger and bigger

[Felipe Morrison]

Hello, I'm using python 3.9.16, first time i made an .exe it was aprox 
400mb of size then added 3 lines of code and it went to 800mb aprox. Then 
did the same process (add more lines and made .exe again since its a code i 
keep changing and adding stuff). The problem right now is the .pkg at build 
folder size is more than 5gb and i think is oversize and cant even make the 
.exe now.  ¿What could be the problem? 
Thanks in advance for any ideas.

I make the .exe in windows at cmd with this:

python -m PyInstaller main.spec

Also here are the imported packages:

import time
from kivy.app import App
from kivy.uix.boxlayout import BoxLayout
import datetime
from kivy.properties import StringProperty
from kivy.uix.widget import Widget
from kivymd.app import MDApp
from kivy.clock import Clock
from kivymd.uix.list import MDList, OneLineListItem
from kivymd.theming import ThemeManager
from kivy.garden.matplotlib import FigureCanvasKivyAgg
from kivymd.uix.button import MDRaisedButton
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.screenmanager import Screen, ScreenManager
from kivymd.uix.datatables import MDDataTable
from kivymd.uix.boxlayout import MDBoxLayout
from kivymd.uix.button import MDRoundFlatButton, MDRectangleFlatButton
from kivymd.uix.textfield import MDTextField
from kivymd.uix.card import MDCard
from kivymd.uix.label import MDLabel
from kivy.uix.image import Image
from kivy.uix.gridlayout import GridLayout
from kivymd.uix.button import MDFillRoundFlatButton
from kivymd.uix.gridlayout import MDGridLayout
from kivy.uix.button import Button
import matplotlib.pyplot as plt
from matplotlib import pyplot as plt, dates
import random
from kivy.metrics import dp
from kivy.core.window import Window
import numpy as np
from class_spectrometer import Spectrometer
from class_calculus import Calculus
import threading
import pandas as pd
import csv
import os
import cProfile
import pstats
from tkinter import filedialog
from tkinter import Tk
from kivy.config import Config
import pickle
from kivy.core.window import Window

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