fix: default server_name to 127.0.0.1 and add show_error to launch() - #4186
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fix: default server_name to 127.0.0.1 and add show_error to launch()#4186rioayumi wants to merge 1 commit into
rioayumi wants to merge 1 commit into
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When --listen is not specified, server_name was passed as None, which causes Gradio to fail with "When localhost is not accessible, a shareable link must be created" on some macOS / proxy configurations. Defaulting to "127.0.0.1" ensures the server always binds to loopback when no explicit listen address is provided. Also adds show_error=True to surface Gradio-level errors in the UI rather than silently failing. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Summary
--listenis not specified,server_namewas passed asNonetogradio_root.launch(), causing Gradio to raise "When localhost is not accessible, a shareable link must be created" on some macOS environments with restrictive network/proxy settings.server_nameto"127.0.0.1"whenargs.listenis falsy, so the server always binds to loopback when no explicit listen address is provided.show_error=Trueto surface Gradio-level errors in the browser UI instead of silently failing.Test plan
--listenflag on macOS — UI should open athttp://127.0.0.1:7865--listen 0.0.0.0— existing behaviour unchanged🤖 Generated with Claude Code