Getting Index Error - list index out of range

[RahulSingh]

Still I am getting below error after changing from 0 to 1.

Error:
C:\Users\Klsingh\Anaconda3\lib\site-packages\ipykernel_launcher.py:4: DeprecationWarning: use driver.switch_to.window instead
  after removing the cwd from sys.path.
---------------------------------------------------------------------------
IndexError                                Traceback (most recent call last)
<ipython-input-22-8eb1449d4630> in <module>
      4 wd.switch_to_window(wd.window_handles[0])
      5 buttons = rest_types_buttons()
----> 6 buttons[1].click()
      7 driver.switch_to_window(wd.window_handles[0])

IndexError: list index out of range