Sqlite3.IntegrityError : échec de la contrainte UNIQUE

from tkinter import * from random import * from string import * from random import * from sqlite3 import * # Database to save email addresses connection = connect('base.db') # Cursor for queries to the database cursor = connection.cursor() # Window window = Tk() # Function to set a random background color def hexadecimal(): bits = list(str(i) for i in range(10)) + list("ABCDEF") colorcode = "#" for i in range(6): colorcode = colorcode + choice(bits) return colorcode # Window characteristics window.title("Window") window.minsize(720, 480) window.config(background=hexadecimal()) # Frame frame = Frame(window, bg=window['background']) # Function to generate a random email address def generate_email(): entry.delete(0, END) chars = ascii_lowercase + digits + "." email = sample(chars, randint(5, 10)) + list("@gmail.com") for i in email: email = "".join(email) entry.insert(0, email) cursor.execute("INSERT INTO emails values(?, ?)", (cursor.lastrowid, email)) connection.commit() # Widgets entry = Entry(frame, bg=hexadecimal(), bd=2) button = Button(frame, text="Click", background=hexadecimal(), bg=hexadecimal(), command=generate_email) # Display the elements frame.pack(expand=YES) entry.pack() button.pack() # Display the window window.mainloop() # Close the database connection connection.close()