[Bug]: No usable font found

[pathetix]

What happened?

After entering prompt, got the following error:
Exception: No usable font found (tried arial.ttf, DejaVuSans.ttf)

Version

0.0.1 (Default)

What browsers are you seeing the problem on?

Chrome

Where are you running the webui?

Colab

Custom settings

No response

Relevant log output

Iteration: 1/1
100% 13/13 [00:04<00:00,  2.83it/s]
Traceback (most recent call last):
  File "/usr/local/lib/python3.8/site-packages/gradio/routes.py", line 247, in run_predict
    output = await app.blocks.process_api(
  File "/usr/local/lib/python3.8/site-packages/gradio/blocks.py", line 641, in process_api
    predictions, duration = await self.call_function(fn_index, processed_input)
  File "/usr/local/lib/python3.8/site-packages/gradio/blocks.py", line 556, in call_function
    prediction = await anyio.to_thread.run_sync(
  File "/usr/local/lib/python3.8/site-packages/anyio/to_thread.py", line 31, in run_sync
    return await get_asynclib().run_sync_in_worker_thread(
  File "/usr/local/lib/python3.8/site-packages/anyio/_backends/_asyncio.py", line 937, in run_sync_in_worker_thread
    return await future
  File "/usr/local/lib/python3.8/site-packages/anyio/_backends/_asyncio.py", line 867, in run
    result = context.run(func, *args)
  File "scripts/webui.py", line 998, in txt2img
    output_images, seed, info, stats = process_images(
  File "scripts/webui.py", line 923, in process_images
    grid = image_grid(output_images, batch_size)
  File "scripts/webui.py", line 419, in image_grid
    fnt = get_font(30)
  File "scripts/webui.py", line 401, in get_font
    raise Exception(f"No usable font found (tried {', '.join(fonts)})")
Exception: No usable font found (tried arial.ttf, DejaVuSans.ttf)

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