copy non python files from simulstreaming when installing package

setup.py

@@ -10,7 +10,6 @@ setup(
     packages=find_packages(),
     install_requires=[
         "fastapi",
-        "ffmpeg-python",
         "librosa",
         "soundfile",
         "faster-whisper",
@@ -35,6 +34,7 @@ setup(
     package_data={
         'whisperlivekit': ['web/*.html'],
         'whisperlivekit.simul_whisper': ['dual_license_simulstreaming.md'],
+        'whisperlivekit.simul_whisper.whisper.assets': ['*.tiktoken', '*.npz'],
     },
     entry_points={
         'console_scripts': [