Use Stable Audio 3 compatible runtime

SOURCES.md

@@ -12,10 +12,11 @@
 
 ## Runtime
 
-- Package: `stable-audio-tools==0.0.19`
 - Source: https://github.com/Stability-AI/stable-audio-tools
+- Source revision: `3241adba4fc2a85cf5b29d9eb68d42f40a28e820`
+- Source license: MIT
 
-The Space installs the runtime package without dependencies because its
-published metadata fixes an older Torch version. Runtime dependencies are
-declared separately in `requirements.txt` to remain compatible with
-Hugging Face ZeroGPU and pyHARP.
+The Space installs the runtime source without dependencies because its package
+metadata fixes an older Torch version. Runtime dependencies are declared
+separately in `requirements.txt` to remain compatible with Hugging Face
+ZeroGPU and pyHARP.

THIRD_PARTY_NOTICES.md

@@ -7,6 +7,13 @@ License:
 
 https://github.com/Stability-AI/stable-audio-3
 
+## Stable Audio Tools
+
+The Stable Audio Tools runtime is provided by Stability AI under the MIT
+License:
+
+https://github.com/Stability-AI/stable-audio-tools
+
 ## Stable Audio 3 Small-Music Weights
 
 The model weights are governed by the Stability AI Community License:

model.json

@@ -11,8 +11,9 @@
     "license": "MIT"
   },
   "runtime": {
-    "package": "stable-audio-tools",
-    "version": "0.0.19"
+    "repo": "Stability-AI/stable-audio-tools",
+    "revision": "3241adba4fc2a85cf5b29d9eb68d42f40a28e820",
+    "license": "MIT"
   },
   "model": {
     "repo": "stabilityai/stable-audio-3-small-music",

stable_audio_runtime.py

@@ -8,7 +8,7 @@ from pathlib import Path
 
 MODEL_REPO = "stabilityai/stable-audio-3-small-music"
 MODEL_REVISION = "0fef1392cd842149a2b6d445e181c97608faac06"
-STABLE_AUDIO_TOOLS_VERSION = "0.0.19"
+STABLE_AUDIO_TOOLS_REVISION = "3241adba4fc2a85cf5b29d9eb68d42f40a28e820"
 OUTPUT_ROOT = Path(tempfile.gettempdir()) / "stable_audio_3_outputs"
 
 _MODEL = None
@@ -32,7 +32,10 @@ def _ensure_stable_audio_tools() -> None:
             "install",
             "--quiet",
             "--no-deps",
-            f"stable-audio-tools=={STABLE_AUDIO_TOOLS_VERSION}",
+            (
+                "git+https://github.com/Stability-AI/stable-audio-tools.git@"
+                f"{STABLE_AUDIO_TOOLS_REVISION}"
+            ),
         ]
     )