Unable to import module 'app': No module named '_tkinter'", "errorType": "Runtime.ImportModuleError" #90

FROM public.ecr.aws/lambda/python:3.8
RUN yum -y update
RUN yum -y install gcc
RUN yum install -y gcc-c++
RUN yum install -y git
RUN yum install -y which
COPY requirements.txt ./requirements.txt
RUN pip install -r requirements.txt \
    && pip install -e git+https://github.com/ganesh3/icevision.git@master#egg=icevision[inference] --upgrade
RUN mkdir -p ./fonts/
RUN curl -LJO https://raw.githubusercontent.com/airctic/storage/master/SpaceGrotesk-Medium.ttf
RUN cp SpaceGrotesk-Medium.ttf ./fonts/
RUN yum install -y tkinter tcl-devel tk-devel
COPY model_dir ./model_dir
COPY /app/app.py   ./
CMD ["app.handler"] 

--find-links  https://download.pytorch.org/whl/torch_stable.html
torch==1.10.0+cpu 
torchvision==0.11.1+cpu
--find-links  https://download.openmmlab.com/mmcv/dist/cpu/torch1.10.0/index.html
mmcv-full==1.3.17
mmdet==2.17.0

docker exec -it <container_name> sh

>>> import tkinter
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/var/lang/lib/python3.8/tkinter/__init__.py", line 36, in <module>
    import _tkinter # If this fails your Python may not be configured for Tk
ModuleNotFoundError: No module named '_tkinter'

import subprocess
subprocess.call(['pip', 'install', 'tk'])

yum install -y tkinter
yum install -y python3-tkinter