rk's scipy wheel contains unsolved dependency on libgfortran.so.4

Fedora seems to have libgfortran, use below cmd to install：
dnf install -y libgfortran

[toybrick@localhost resnet]$ ldd /usr/local/lib64/python3.6/site-packages/scipy/linalg/_fblas.cpython-36m-aarch64-linux-gnu.so
        linux-vdso.so.1 (0x0000007f9f472000)
        liblapack.so.3 => /lib64/liblapack.so.3 (0x0000007f9ee79000)
        libblas.so.3 => /lib64/libblas.so.3 (0x0000007f9ee28000)
        libpython3.6m.so.1.0 => /lib64/libpython3.6m.so.1.0 (0x0000007f9eb18000)
        libgfortran.so.5 => /lib64/libgfortran.so.5 (0x0000007f9e9b6000)
        libm.so.6 => /lib64/libm.so.6 (0x0000007f9e8f5000)
        libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x0000007f9e8c4000)
        libc.so.6 => /lib64/libc.so.6 (0x0000007f9e74e000)
        /lib/ld-linux-aarch64.so.1 (0x0000007f9f444000)
        libpthread.so.0 => /lib64/libpthread.so.0 (0x0000007f9e719000)
        libdl.so.2 => /lib64/libdl.so.2 (0x0000007f9e6f8000)
        libutil.so.1 => /lib64/libutil.so.1 (0x0000007f9e6d7000)
        libz.so.1 => /lib64/libz.so.1 (0x0000007f9e6a6000)