The .text function to change text doesn't seem to work

[jshaffstall]

Gets this error:

Traceback (most recent call last):
File "", line 23, in
File "C:\Users\Win11\AppData\Roaming\Python\Python310\site-packages\pyphysicssandbox_init_.py", line 967, in run
observer(keys)
File "", line 14, in my_observer
TypeError: 'str' object is not callable