Let Spaces install gradio from sdk_version (5.9.1); fixes 500 on /

README.md

@@ -4,7 +4,7 @@ emoji: 🧬
 colorFrom: blue
 colorTo: indigo
 sdk: gradio
-sdk_version: 4.44.1
+sdk_version: 5.9.1
 app_file: app.py
 pinned: false
 short_description: Predict condensate titration curves from an IDR sequence

requirements.txt

@@ -14,11 +14,10 @@ tifffile==2024.9.20
 safetensors==0.4.5
 einops==0.8.0
 huggingface_hub>=0.24.6
-# gradio and gradio_client must be pinned together: a floating client hits
-# json_schema_to_python_type() crashing on a bool `additionalProperties` schema,
-# which takes the app down at startup rather than at build time.
-gradio==4.44.1
-gradio_client==1.3.0
+# gradio is intentionally NOT pinned here: Spaces installs it from sdk_version in
+# README.md together with a matching gradio_client. Pinning it here instead let the
+# two drift, and gradio 4.44's client crashed in json_schema_to_python_type() on a
+# bool `additionalProperties`, which 500s the "/" route while /config still serves.
 
 # pulled in by the vendored cell_fm modules
 loguru