Fix code block formatting

Author: tekktrik

adafruit_drv2605.py

@@ -197,13 +197,12 @@ def sequence(self) -> "_DRV2605_Sequence":
         values and the associated waveform / effect.
 
         E.g.:
+
         .. code-block:: python
 
             # Getting the effect stored in a slot
             slot_0_effect = drv.sequence[0]
 
-        .. code-block:: python
-
             # Setting an Effect in the first sequence slot
             drv.sequence[0] = Effect(88)
         """