fix bug (#68)

Author: tenderness-git

MANIFEST.in

@@ -0,0 +1,10 @@
+# MANIFEST.in
+graft diffsynth_engine
+include pyproject.toml
+include LICENSE
+prune tests
+prune examples
+prune .github
+global-exclude *.py[cod]
+global-exclude __pycache__
+global-exclude .DS_Store

pyproject.toml

@@ -49,6 +49,7 @@ build-backend = "setuptools.build_meta"
 
 [tool.setuptools.packages.find]
 include = ["diffsynth_engine*"]
+exclude = ["tests", "examples", ".github", "tests/*"]
 
 [tool.setuptools.package-data]
 diffsynth_engine = [