update requirements

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

installer.py

@@ -601,7 +601,7 @@ def check_diffusers():
     if args.skip_git:
         install('diffusers')
         return
-    sha = '865ba102b397b6f761423705142cbf9078d7b6d7' # diffusers commit hash
+    sha = '9b721db205729d5a6e97a72312c3a0f4534064f1' # diffusers commit hash
     pkg = pkg_resources.working_set.by_key.get('diffusers', None)
     minor = int(pkg.version.split('.')[1] if pkg is not None else -1)
     cur = opts.get('diffusers_version', '') if minor > -1 else ''
@@ -626,7 +626,7 @@ def check_transformers():
     if args.use_directml:
         target = '4.52.4'
     else:
-        target = '4.55.4'
+        target = '4.56.0'
     if (pkg is None) or ((pkg.version != target) and (not args.experimental)):
         if pkg is None:
             log.info(f'Transformers install: version={target}')
@@ -1267,21 +1267,6 @@ def install_optional():
     ts('optional', t_start)
 
 
-def install_sentencepiece():
-    if installed('sentencepiece', quiet=True):
-        pass
-    elif int(sys.version_info.minor) >= 13:
-        backup_cmake_policy = os.environ.get('CMAKE_POLICY_VERSION_MINIMUM', None)
-        backup_cxxflags = os.environ.get('CXXFLAGS', None)
-        os.environ.setdefault('CMAKE_POLICY_VERSION_MINIMUM', '3.5')
-        os.environ.setdefault('CXXFLAGS', '-include cstdint')
-        install('git+https://github.com/google/sentencepiece#subdirectory=python', 'sentencepiece')
-        os.environ.setdefault('CMAKE_POLICY_VERSION_MINIMUM', backup_cmake_policy)
-        os.environ.setdefault('CXXFLAGS', backup_cxxflags)
-    else:
-        install('sentencepiece', 'sentencepiece')
-
-
 def install_requirements():
     t_start = time.time()
     if args.profile:

launch.py

@@ -262,7 +262,6 @@ def main():
     installer.check_onnx()
     installer.check_transformers()
     installer.check_diffusers()
-    installer.install_sentencepiece()
     installer.check_modified_files()
     if args.test:
         installer.log.info('Startup: test mode')

modules/sd_vae.py

@@ -18,6 +18,9 @@ vae_scale_override = {
 
 
 def get_vae_scale_factor(model=None):
+    if not shared.sd_loaded:
+        vae_scale_factor = 8
+        return vae_scale_factor
     patch_size = 1
     if model is None:
         model = shared.sd_model

requirements.txt

@@ -50,14 +50,15 @@ numpy==2.1.2
 pandas==2.3.1
 numba==0.61.2
 protobuf==4.25.3
-pytorch_lightning==2.5.3
-tokenizers==0.21.4
+pytorch_lightning==2.5.4
+tokenizers==0.22.0
 urllib3==1.26.19
 Pillow==10.4.0
 timm==1.0.16
 pydantic==1.10.21
 pyparsing==3.2.3
 typing-extensions==4.14.1
+sentencepiece==0.2.1
 
 # additional
 blendmodes