Exception in Tkinter callback
Traceback (most recent call last):
  File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1473, in __call__
    return self.func(*args)
  File "/home/den/myprojects/pochta/pochta/__init__.py", line 205, in start4
    cursor.execute(sql)
  File "/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py", line 176, in execute
    if not self._defer_warnings: self._warning_check()
  File "/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py", line 92, in _warning_check
    warn(w[-1], self.Warning, 3)
  File "/usr/lib/python2.7/warnings.py", line 29, in _show_warning
    file.write(formatwarning(message, category, filename, lineno, line))
  File "/usr/lib/python2.7/warnings.py", line 38, in formatwarning
    s =  "%s:%s: %s: %s\n" % (filename, lineno, category.__name__, message)
UnicodeEncodeError: 'ascii' codec can't encode characters in position 35-50: ordinal not in range(128)

def start4(event):
  global poisk3
  poisk3=entry_tip.get()
  poisk3=poisk3.encode('utf-8')
  root4.destroy()
  # запрос к БД
  sql = """SELECT id_tip, id_otd, name FROM tipografia, otdelenia
WHERE tipografia.id_tip = otdelenia.id_otd AND tipografia.adres = otdelenia.name LIKE '%s' LIMIT 1""" %poisk3
  # выполняем запрос
  cursor.execute(sql)
  # получаем результат выполнения запроса
  data =  cursor.fetchall()
  # перебираем записи
  for rec in data: 
  # извлекаем данные из записей - в том же порядке, как и в SQL-запросе
      name = rec
      # выводим информацию
      #print adres
  # закрываем соединение с БД
  root = Tk()
  root.geometry('300x100')
  root.title("По адресу")
  frame_tip1 = Frame(root)
  frame_tip1.grid()
  Label_tip1 = Label(frame_tip1, width=40, height=6, text=name)
  Label_tip1.grid(row=1, column=1)
  db.close()

sql = u"""SELECT id_tip, id_otd, name FROM tipografia, otdelenia
WHERE tipografia.id_tip = otdelenia.id_otd AND tipografia.adres = otdelenia.name LIKE '%s' LIMIT 1""" %poisk3

File "/home/den/myprojects/pochta/pochta/__init__.py", line 203, in start4
    WHERE tipografia.id_tip = otdelenia.id_otd AND tipografia.adres = otdelenia.name LIKE '%s' LIMIT 1""" %poisk3
UnicodeDecodeError: 'ascii' codec can't decode byte 0xd0 in position 0: ordinal not in range(128)

from tkinter import *