Simple Gradio sample crashes after loading

[testlabauto]

System details:

Positron and OS details:

Positron Version: 2024.12.0 (Universal) build 41
OSX

Interpreter details:

Python 3.10.12

Describe the issue:

This simple Gradio sample no longer stays running:

import gradio as gr

def greet(name):
    return "Hello " + name + "!"

demo = gr.Interface(fn=greet, inputs="text", outputs="text")
demo.launch()   

It dies with:

~/.pyenv/versions/3.10.12/bin/python /Users/christophermead/posit/qa-example-content/workspaces/python_apps/gradio_example/gradio_example.py
(base) ➜  qa-example-content ~/.pyenv/versions/3.10.12/bin/python /Users/christophermead/posit/qa-example-content/workspaces/python_apps/gradio_example/gradio_exam
ple.py
* Running on local URL:  http://127.0.0.1:7860
Traceback (most recent call last):
  File "/Users/christophermead/posit/qa-example-content/workspaces/python_apps/gradio_example/gradio_example.py", line 5, in <module>
    demo.launch()
  File "/Users/christophermead/.pyenv/versions/3.10.12/lib/python3.10/site-packages/gradio/blocks.py", line 2582, in launch
    raise ValueError(
ValueError: When localhost is not accessible, a shareable link must be created. Please set share=True or check your proxy settings to allow access to localhost.

Steps to reproduce the issue:

1. Run simple Gradio sample above
2. Note that it will run but will quickly die

Expected or desired behavior:

Gradio continues to run.

Were there any error messages in the UI, Output panel, or Developer Tools console?

Did not see any