Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
python3-grpcio
python3-grpcio(x86-64)
python3.6dist(grpcio)
python3dist(grpcio)

Requires :

grpc(x86-64) = 1.26.0-2.el8s
ld-linux-x86-64.so.2()(64bit)
ld-linux-x86-64.so.2(GLIBC_2.3)(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.10)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3)(64bit)
libc.so.6(GLIBC_2.3.2)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libc.so.6(GLIBC_2.6)(64bit)
libc.so.6(GLIBC_2.7)(64bit)
libc.so.6(GLIBC_2.8)(64bit)
libc.so.6(GLIBC_2.9)(64bit)
libcares.so.2()(64bit)
libcrypto.so.1.1()(64bit)
libcrypto.so.1.1(OPENSSL_1_1_0)(64bit)
libm.so.6()(64bit)
libm.so.6(GLIBC_2.2.5)(64bit)
libpthread.so.0()(64bit)
libpthread.so.0(GLIBC_2.12)(64bit)
libpthread.so.0(GLIBC_2.2.5)(64bit)
libpthread.so.0(GLIBC_2.3.2)(64bit)
libpthread.so.0(GLIBC_2.3.3)(64bit)
libpython3.6m.so.1.0()(64bit)
librt.so.1()(64bit)
libssl.so.1.1()(64bit)
libssl.so.1.1(OPENSSL_1_1_0)(64bit)
libstdc++.so.6()(64bit)
libstdc++.so.6(CXXABI_1.3)(64bit)
libstdc++.so.6(GLIBCXX_3.4)(64bit)
libstdc++.so.6(GLIBCXX_3.4.14)(64bit)
libstdc++.so.6(GLIBCXX_3.4.15)(64bit)
libz.so.1()(64bit)
python(abi) = 3.6
python3.6dist(six) >= 1.5.2
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PartialHardlinkSets) <= 4.0.4-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsXz) <= 5.2-1
rtld(GNU_HASH)

Content of RPM :
/usr/lib/.build-id
/usr/lib/.build-id/00
/usr/lib/.build-id/00/dd1ffe08245a29f0c65ba7f9c050098a9f563d
/usr/lib64/python3.6/site-packages/grpc
/usr/lib64/python3.6/site-packages/grpc/__init__.py
/usr/lib64/python3.6/site-packages/grpc/__pycache__
/usr/lib64/python3.6/site-packages/grpc/__pycache__/__init__.cpython-36.opt-1.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/__init__.cpython-36.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_auth.cpython-36.opt-1.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_auth.cpython-36.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_channel.cpython-36.opt-1.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_channel.cpython-36.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_common.cpython-36.opt-1.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_common.cpython-36.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_compression.cpython-36.opt-1.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_compression.cpython-36.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_grpcio_metadata.cpython-36.opt-1.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_grpcio_metadata.cpython-36.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_interceptor.cpython-36.opt-1.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_interceptor.cpython-36.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_plugin_wrapping.cpython-36.opt-1.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_plugin_wrapping.cpython-36.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_server.cpython-36.opt-1.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_server.cpython-36.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_utilities.cpython-36.opt-1.pyc
/usr/lib64/python3.6/site-packages/grpc/__pycache__/_utilities.cpython-36.pyc
/usr/lib64/python3.6/site-packages/grpc/_auth.py
/usr/lib64/python3.6/site-packages/grpc/_channel.py
/usr/lib64/python3.6/site-packages/grpc/_common.py
/usr/lib64/python3.6/site-packages/grpc/_compression.py
There is 140 files more in these RPM.