Services are failing

[lbbrhzn]

Version of the custom_component

0.3.0

Describe the bug

When toggling a switch, home assistant shows a pop-up:

Failed to call service switch/turn_on. Local variable 'resp' used before assignment.

[lbbrhzn]

Assigning this to drc38

[lbbrhzn]

Solved in v0.3.1