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app.py

@@ -236,13 +236,15 @@ TRACKER = {
 
 log.info("loading Sapiens2 (448x336)")
 SAPIENS2 = {res: None for res in ("448x336", "576x432", "1024x768")}
-SAPIENS2["448x336"] = Sapiens2Keypoints(ASSETS.sapiens2, resolution="448x336")
+# num_workers=0: the ZeroGPU worker process is daemonic, and DataLoader workers are
+# child processes -> "daemonic processes are not allowed to have children".
+SAPIENS2["448x336"] = Sapiens2Keypoints(ASSETS.sapiens2, resolution="448x336", num_workers=0)
 
 log.info("loading SAM 3D Body")
-SAM_BODY = SamBodyFeatures(ASSETS.sam_3d_body)
+SAM_BODY = SamBodyFeatures(ASSETS.sam_3d_body, num_workers=0)
 
 log.info("loading HaMeR")
-HAMER = HamerHandFeatures(ASSETS.hamer)
+HAMER = HamerHandFeatures(ASSETS.hamer, num_workers=0)
 
 MODELS_LOCK = threading.Lock()
 
@@ -251,7 +253,9 @@ def _get_sapiens2(resolution: str) -> Sapiens2Keypoints:
     """The 448x336 model loads at startup; other resolutions lazily on first use."""
     with MODELS_LOCK:
         if SAPIENS2.get(resolution) is None:
-            SAPIENS2[resolution] = Sapiens2Keypoints(ASSETS.sapiens2, resolution=resolution)
+            SAPIENS2[resolution] = Sapiens2Keypoints(
+                ASSETS.sapiens2, resolution=resolution, num_workers=0
+            )
         return SAPIENS2[resolution]