error running hello_interop.mojo

[fireyan8]

Hallo,
I just installed mojo and running the examples.
When the code goes into Python.import_module() it always shows: An error occurred in Python.

from python.python import (
    Python,
    _destroy_python,
    _init_python,
)


def main():
    print("Hello Mojo 🔥!")
    for x in range(9, 0, -3):
        print(x)
    try:
        Python.add_to_path(".")
        Python.add_to_path("./examples")
        let test_module = Python.import_module("simple_interop")
        test_module.test_interop_func()
    except e:
        print(e.value)
        print("could not find module simple_interop")

or in bash

1> import python 
2. 
2> from python.python import Python
3. 
3> Python.import_module("numpy")
4. 
Error: An error occurred in Python.
4> 

my .bashrc looks like this

export MODULAR_HOME="$HOME/.modular"
export PATH="$MODULAR_HOME/pkg/packages.modular.com_mojo/bin:$PATH"

find-python-for-mojo() {
    libpath=$(python3 -c 'import sysconfig; print(sysconfig.get_config_var("LIBDIR"))')
    pythonlib=$(ls $libpath | grep "libpython3.*[0-9]\.so$")
    export MOJO_PYTHON_LIBRARY=${libpath}/${pythonlib}
}

    OS          :  linux
    CPU         :  haswell
    Arch        :  x86_64-unknown-linux-gnu
    Num Cores   :  8
    CPU Features:  avx2

How can i solve it?