fix rembg dependencies

Signed-off-by: Vladimir Mandic <mandic00@live.com>

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Change Log for SD.Next
 
-## Update for 2026-07-20
+## Update for 2026-07-21
 
 - **Compute**
   - torch: update to `2.13.0` for CUDA, ROCm, IPEX
@@ -23,7 +23,8 @@
   - lora: support diffusers trainer
   - load: flux1 t5
   - preview: cache image for reuse
-  - kanvas: fix paint combined with zoom
+  - kanvas: paint combined with zoom
+  - rembg: numba dependencies
 
 ## Update for 2026-07-14
 

modules/masking.py

@@ -264,7 +264,7 @@ def run_segment(input_image: gr.Image, input_mask: np.ndarray):
 def run_rembg(input_image: Image.Image, input_mask: np.ndarray):
     try:
         from installer import install
-        for pkg in ["dctorch==0.1.2", "pymatting", "pooch", "rembg"]:
+        for pkg in ["dctorch==0.1.2", "pymatting", "pooch", "rembg", "numba"]:
             install(pkg, no_deps=True, ignore=False)
         import rembg
     except Exception as e:

modules/rembg/rembg_api.py

@@ -1,6 +1,12 @@
 from fastapi import Body
 
 
+def dependencies():
+    from installer import install
+    for pkg in ["dctorch==0.1.2", "pymatting", "pooch", "rembg", "numba"]:
+        install(pkg, no_deps=True, ignore=False)
+
+
 async def post_rembg(
     input_image: str = Body("", title='rembg input image'),
     model: str = Body("u2net", title='rembg model'),
@@ -23,9 +29,7 @@ async def post_rembg(
         from modules.rembg import ben2
         image = ben2.remove(input_image, refine=refine)
     else:
-        from installer import install
-        for pkg in ["dctorch==0.1.2", "pymatting", "pooch", "rembg"]:
-            install(pkg, no_deps=True, ignore=False)
+        dependencies()
         import rembg
         image = rembg.remove( # pylint: disable=c-extension-no-member
             input_image,

scripts/postprocessing_rembg.py

@@ -18,6 +18,12 @@ models = [
 ]
 
 
+def dependencies():
+    from installer import install
+    for pkg in ["dctorch==0.1.2", "pymatting", "pooch", "rembg", "numba"]:
+        install(pkg, no_deps=True, ignore=False)
+
+
 class ScriptPostprocessingRembg(scripts_postprocessing.ScriptPostprocessing):
     name = "Remove background"
     order = 20000
@@ -81,9 +87,7 @@ class ScriptPostprocessingRembg(scripts_postprocessing.ScriptPostprocessing):
                 return pp
         else:
             try:
-                from installer import install
-                for pkg in ["dctorch==0.1.2", "pymatting", "pooch", "rembg"]:
-                    install(pkg, no_deps=True, ignore=False)
+                dependencies()
                 import rembg
                 if "U2NET_HOME" not in os.environ:
                     from modules.paths import models_path