Python-сообщество

Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Python35\lib\tkinter\__init__.py", line 1559, in __call__
    return self.func(*args)
  File "C:/Users/DANNY/PycharmProjects/test/test.py", line 63, in <lambda>
    btn_ok.bind('<Button-1>', lambda event: self.insert_data(entry_description, combobox, entry_money))
  File "C:/Users/DANNY/PycharmProjects/test/test.py", line 71, in insert_data
    (description, costs, total))
sqlite3.InterfaceError: Error binding parameter 0 - probably unsupported type.

 import tkinter as tk
from tkinter import ttk
import sqlite3
conn = sqlite3.connect('finance.db')
c = conn.cursor()
c.execute(
    '''CREATE TABLE IF NOT EXISTS finance (id integer primary key, description text, costs text, total real,
    date current_timestamp)''')
c.execute('''select * from finance''')
class Main(tk.Frame):
    def __init__(self, root):
        super().__init__(root)
        self.init_main()
    def init_main(self):
        toolbar = tk.Frame(bg='#d7d8e0', bd=2)
        toolbar.pack(side=tk.TOP, fill=tk.X)
        self.add_img = tk.PhotoImage(file="add.gif")
        btn_open_dialog = tk.Button(toolbar, text='Добавить позицию', command=self.open_dialog, bg='#d7d8e0', bd=0,
                                    compound=tk.TOP, image=self.add_img)
        btn_open_dialog.pack(side=tk.LEFT)
    def open_dialog(self):
        Child()
class Child(tk.Toplevel):
    def __init__(self):
        super().__init__(root)
        self.init_child()
    def init_child(self):
        self.title('Добавить доходы/расходы')
        self.geometry('400x220+400+300')
        self.resizable(False, False)
        label_description = tk.Label(self, text='Наименование:')
        label_description.place(x=50, y=50)
        label_select = tk.Label(self, text='Статья дохода/расхода:')
        label_select.place(x=50, y=80)
        label_sum = tk.Label(self, text='Сумма:')
        label_sum.place(x=50, y=110)
        entry_description = ttk.Entry(self)
        entry_description.place(x=200, y=50)
        entry_money = ttk.Entry(self)
        entry_money.place(x=200, y=110)
        combobox = ttk.Combobox(self, values=[u"Доход", u"Расход"])
        combobox.current(0)
        combobox.place(x=200, y=80)
        btn_cancel = ttk.Button(self, text='Отмена', command=self.destroy)
        btn_cancel.place(x=300, y=170)
        btn_ok = ttk.Button(self, text='OK')
        btn_ok.place(x=220, y=170)
        btn_ok.bind('<Button-1>', lambda event: self.insert_data(entry_description, combobox, entry_money))
        self.grab_set()
        self.focus_set()
        self.wait_window()
    def insert_data(self, description, costs, total):
        c.execute('''INSERT INTO finance(description, costs, total) VALUES (?, ?, ?)''',
                  (description, costs, total))
        conn.commit()
        '''conn.close()'''
        self.destroy()
if __name__ == "__main__":
    root = tk.Tk()
    app = Main(root)
    app.pack()
    root.title("Домашние финансы")
    root.geometry("650x450+300+200")
    root.resizable(False, False)
    root.mainloop()

 conn = sqlite3.connect('finance.db')
c = conn.cursor()
c.execute(
    '''CREATE TABLE IF NOT EXISTS finance (id integer primary key, description text, costs text, total real,
    date current_timestamp)''')
c.execute('''select * from finance''')

 btn_ok.bind('<Button-1>', lambda event: self.insert_data(entry_description, combobox, entry_money)

 import tkinter as tk
from tkinter import ttk
import sqlite3
conn = sqlite3.connect('finance.db')
c = conn.cursor()
c.execute(
    '''CREATE TABLE IF NOT EXISTS finance (id integer primary key, description text, costs text, total real,
    date current_timestamp)''')
c.execute('''select * from finance''')
class Main(tk.Frame):
    def __init__(self, root):
        super().__init__(root)
        self.init_main()
    def init_main(self):
        toolbar = tk.Frame(bg='#d7d8e0', bd=2)
        toolbar.pack(side=tk.TOP, fill=tk.X)
        self.add_img = tk.PhotoImage(file="add.gif")
        btn_open_dialog = tk.Button(toolbar, text='Добавить позицию', command=self.open_dialog, bg='#d7d8e0', bd=0,
                                    compound=tk.TOP, image=self.add_img)
        btn_open_dialog.pack(side=tk.LEFT)
        tree = ttk.Treeview(self, columns=('ID', 'description', 'costs', 'total', 'date'),
                            height=15, show='headings')
        tree.column("ID", width=30, anchor=tk.CENTER)
        tree.column("description", width=250, anchor=tk.CENTER)
        tree.column("costs", width=150, anchor=tk.CENTER)
        tree.column("total", width=100, anchor=tk.CENTER)
        tree.column("date", width=100, anchor=tk.CENTER)
        tree.heading("ID", text='ID')
        tree.heading("description", text='Наименование')
        tree.heading("costs", text='Статья дохода/расхода')
        tree.heading("total", text='Сумма')
        tree.heading("date", text='Дата')
        for row in c.fetchall():
            tree.insert('', 'end', values=row)
        tree.pack(side=tk.TOP, fill=tk.X)
    def open_dialog(self):
        Child()
class Child(tk.Toplevel):
    def __init__(self):
        super().__init__(root)
        self.init_child()
    def init_child(self):
        self.title('Добавить доходы/расходы')
        self.geometry('400x220+400+300')
        self.resizable(False, False)
        label_description = tk.Label(self, text='Наименование:')
        label_description.place(x=50, y=50)
        label_select = tk.Label(self, text='Статья дохода/расхода:')
        label_select.place(x=50, y=80)
        label_sum = tk.Label(self, text='Сумма:')
        label_sum.place(x=50, y=110)
        self.entry_description = ttk.Entry(self)
        self.entry_description.place(x=200, y=50)
        self.entry_money = ttk.Entry(self)
        self.entry_money.place(x=200, y=110)
        self.combobox = ttk.Combobox(self, values=[u"Доход", u"Расход"])
        self.combobox.current(0)
        self.combobox.place(x=200, y=80)
        btn_cancel = ttk.Button(self, text='Отмена', command=self.destroy)
        btn_cancel.place(x=300, y=170)
        btn_ok = ttk.Button(self, text='OK')
        btn_ok.place(x=220, y=170)
        btn_ok.bind('<Button-1>', lambda event: self.insert_data())
        self.grab_set()
        self.focus_set()
        self.wait_window()
    def insert_data(self):
        c.execute('''INSERT INTO finance(description, costs, total) VALUES (?, ?, ?)''',
                  (self.entry_description.get(), self.combobox.get(), self.entry_money.get()))
        conn.commit()
        '''conn.close()'''
        self.destroy()
if __name__ == "__main__":
    root = tk.Tk()
    app = Main(root)
    app.pack()
    root.title("Домашние финансы")
    root.geometry("650x450+300+200")
    root.resizable(False, False)
    root.mainloop()