Exception in Tkinter callback
Traceback (most recent call last):
  File "/usr/lib/python2.7/lib-tk/Tkinter.py", line 1437, in __call__
    return self.func(*args)
  File "/root/Desktop/test.py", line 92, in insert
    inser="insert into Aziende(azienda,nome,cognome,via,numerocivico,cap,localita,telefono) values ('%s','%s','%s','%s',%d,%d,'%s',%d)"%(a,b,c,d,e,f,g,h)
TypeError: %d format: a number is required, not instance