How to realize image to text in python

#Further optimization 1. add labels at the bottom 2. process the recognized text, remove spaces


from PIL import Image as PImage
from PIL import ImageTk
import pytesseract
from tkinter import *
from tkinter import filedialog
from  import ScrolledText
import re

# Translate image content into text to be displayed in a text box
def trans():
    ('1.0', END)
    transTxt = pytesseract.image_to_string((()),lang='chi_sim')
    # Process the transTxt Remove spaces, line breaks, de-emphasize.
    transTxt = ('\n\r')   #No parameter can delete the space at the beginning and end \n\t\r
    print(transTxt)
    ( INSERT, (' ','').replace('\n\n','\n').replace('\r',''))

# Open the image file, show the path, and present the image
def openfile():
    ('1.0', END)
    (())
    (1.0,())
    org_img = (())
    # Resize image display 600*800
    w,h = org_img.size
    if w>600:
        h=int(h*600/w)
        w=600
    if h>800:
        w=int(w*800/h)
        h=800
    img = (org_img.resize((w,h)))
    (image=img)
     = img       #Keeping a quote to show the image, tkinter's bugs
    

# Setting up the main window
top = Tk()
("OCR Image to Text Engine: Tesseract-OCR Made by: kaivis")
#("./pic/")
("1200x800")

filePath=StringVar()

bt_img1 = ( file= "./pic/")
bt_img2 = ( file= "./pic/bt_img2.png")

# First form
frame1 = Frame (top, relief=RAISED, borderwidth=2)
(side=TOP, fill=BOTH,  ipady=5, expand=0)
Label(frame1,height=1,text="Image path:").pack(side=LEFT)
filename = Text(frame1,height=2)
(side=LEFT,padx=1, pady=0,expand=True, fill=X)
Button(frame1,text="Open file", image=bt_img1, command=openfile).pack(side=LEFT,padx=5, pady=0)
Button(frame1,text="Chinese Recognition", image=bt_img2, command=trans).pack(side=LEFT,padx=5, pady=0)

# The second form
frame2 = Frame (top, relief=RAISED, borderwidth=2)
 (side=LEFT, fill=BOTH,  expand=1)
Label(frame2,text='Picture display:',borderwidth=5).pack(side=TOP,padx=20,pady=5)
showPic = Label(frame2,text='Picture display area')
(side=BOTTOM,expand=1,fill=BOTH)

# The third form
frame3 = Frame (top)
 (side=RIGHT, fill=BOTH,  expand=1)
#contents = ScrolledText(frame3)
Label(frame3,text='Identification results:',borderwidth=5).pack(side=TOP,padx=20,pady=10)
contents = Text(frame3,font=('Arial',15))
(side=TOP,expand=1,fill=BOTH)
Label(frame3,text='Copyright 2021  ALL Rights Reserved',borderwidth=5).pack(side=BOTTOM,padx=20,pady=10)

()