def check_employee_attendance_state(self, cr, uid, sheet_id, context=None):
ids_signin = self.pool.get('hr.attendance').search(cr,uid,[('sheet_id', '=', sheet_id),('action','=','sign_in')])
ids_signout = self.pool.get('hr.attendance').search(cr,uid,[('sheet_id', '=', sheet_id),('action','=','sign_out')])
def check_employee_attendance_state(self, cr, uid, sheet_id, context=None):
ids_signin = self.pool.get('hr.attendance').search(cr,uid,[('sheet_id', '=', sheet_id),('action','=','sign_in')])
ids_signout = self.pool.get('hr.attendance').search(cr,uid,[('sheet_id', '=', sheet_id),('action','=','sign_out')])