Build Error: No such file or directory: 'README.md'

adding gradio==3.44.3 or gradio==3.44.1 in requirement.txt doesn’t work. I looked at the build logs

--> RUN pyenv install 3.10 && 	pyenv global 3.10 && 	pyenv rehash && 	pip install --no-cache-dir --upgrade pip==22.3.1 setuptools wheel && 	pip install --no-cache-dir 	datasets 	"huggingface-hub>=0.12.1" "protobuf<4" "click<8.1" "pydantic~=1.0" "uvicorn>=0.14.0"
...
..
Collecting uvicorn>=0.14.0
  Downloading uvicorn-0.23.2-py3-none-any.whl (59 kB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 59.5/59.5 kB 329.1 MB/s eta 0:00:00
..
..
--> RUN --mount=target=requirements.txt,source=requirements.txt 	pip install --no-cache-dir -r requirements.txt

--> RUN pip install --no-cache-dir 	gradio[oauth]==3.6 	spaces==0.16.0
...
...
INFO: pip is looking at multiple versions of uvicorn to determine which version is compatible with other requirements. This could take a while.
Collecting uvicorn
...

The error occurs in the last RUN command while installing gradio[oauth]==3.6 spaces==0.16.0