Fix .update() method in gr.Dropdown() to handle choices

[abidlabs]

Fixes: #5519

Test with original repro in issue:

import gradio as gr

def update_dropdown():
  new_choices = gr.Dropdown.update(choices = ["Hyundai","Suzuki","Mclaren"],label = "Test Dropdown")
  return new_choices

def update_text(text):
  return "You have chosen: " + text

with gr.Blocks() as demo:
  with gr.Row():
    with gr.Column():
      test = gr.Dropdown(choices = ["Honda","BMW","Mercedes"], value = "Honda",label = "Test Dropdown")
      output = gr.Textbox(lines = 5, label="Details")
    with gr.Column():
      test_button = gr.Button(value = "Test",variant = "primary" )
    test.change(update_text,[test],output)
    test_button.click(update_dropdown,[] ,[test])
    
demo.launch()

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---

Install Gradio from this PR

pip install https://gradio-builds.s3.amazonaws.com/634d2f180e2b6dda8629146aba4033f556bf1571/gradio-3.44.0-py3-none-any.whl

Install Gradio Python Client from this PR

pip install "gradio-client @ git+https://github.com/gradio-app/gradio@634d2f180e2b6dda8629146aba4033f556bf1571#subdirectory=client/python"

[gradio-pr-bot]

🦄 change detected

This Pull Request includes changes to the following packages.

Package	Version
gradio	patch

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With the following changelog entry.

Fix .update() method in gr.Dropdown() to handle choices

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[aliabid94]

lol whoops

[aliabid94]

tested, works

[abidlabs]

Thanks!

[Trimad]

Thank you so much. I've already spent more time troubleshooting a dropdown menu that the entire rest of my project. 😅