تصحيح للكود في ربط الكلاس ببعض

تصحيح للكود في ربط الكلاس ببعض

import customtkinter
from tkinter import filedialog
from pathlib import Path
import pandas as pd
class App(customtkinter.CTk):
    def __init__(self):
        super().__init__()
        self.FilePath = None
        self.sh = None
        self.title("App-v1")
        self.grid_columnconfigure(0, weight=1)
        self.grid_rowconfigure(1, weight=1)
        
        customtkinter.set_appearance_mode("dark")
        customtkinter.set_default_color_theme("green")
       
        Frame_A = Frame1(self)
        Frame_A.grid(row=0, column=0, padx=(10, 10), pady=(10, 10), sticky="ew",columnspan=2) 
        Frame_A.grid_columnconfigure(0, weight=1)
        Frame_A.configure(border_width=1,border_color="#0087f2")

        Frame_B = Frame2(self)
        Frame_B.grid(row=1, column=0, padx=(10, 10), pady=(10, 10), sticky="news")
        Frame_B.grid_columnconfigure(0, weight=1)
        Frame_B.configure(border_width=1,border_color="#0087f2")
    
    def LoadFile(self):
        self.FilePath = filedialog.askopenfilename(initialdir="C:\\Users\\Cakow\\PycharmProjects\\Main", title="Open file okay?", filetypes=(("text files", "*.xlsx"), ("all files", "*.*")))
        return(self.FilePath)
    
    def LoadFile1(self):
        
        df = pd.ExcelFile(self.FilePath)
        self.sh= df.sheet_names  
        print(self.sh)
 


        
class Frame1(customtkinter.CTkFrame):
    def __init__(self, master):
        super().__init__(master)
        
        self.label1 = customtkinter.CTkLabel(self, text="Welcome", fg_color="transparent", font=customtkinter.CTkFont(family="Calibri", size=18, weight="bold"),justify="center")
        self.label1.grid(row=0, column=0, padx=(10, 10), pady=(10, 10), sticky="n")

class Frame2(customtkinter.CTkFrame):
    def __init__(self, master):
        super().__init__(master)
        
        self.button1 = customtkinter.CTkButton(self, text="Open File", font=customtkinter.CTkFont(family="Calibri", size=12, weight="bold"),command=App.LoadFile)
        self.button1.grid(row=0, column=0, padx=(10, 10), pady=(10, 10), sticky="e") 
        self.button2 = customtkinter.CTkButton(self, text="Open File", font=customtkinter.CTkFont(family="Calibri", size=12, weight="bold"),command=App.LoadFile1)
        self.button2.grid(row=0, column=0, padx=(10, 10), pady=(10, 10), sticky="e")    

app = App()
app.mainloop()