thread '<unnamed>' panicked at 'assertion failed: `(left != right)`
  left: `0`,
 right: `0`: Python threading is not initalized and the `auto-initialize` feature is not enabled.

Consider calling `pyo3::prepare_freethreaded_python()` before attempting to use Python APIs.', /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/pyo3-0.15.1/src/gil.rs:233:21
stack backtrace:
   0: rust_begin_unwind
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/std/src/panicking.rs:498:5
   1: core::panicking::panic_fmt
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/core/src/panicking.rs:107:14
   2: core::panicking::assert_failed_inner
   3: core::panicking::assert_failed
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/core/src/panicking.rs:145:5
   4: pyo3::gil::GILGuard::acquire::{{closure}}
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/pyo3-0.15.1/src/gil.rs:233:21
   5: parking_lot::once::Once::call_once_force::{{closure}}
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/parking_lot-0.11.2/src/once.rs:189:13
   6: parking_lot::once::Once::call_once_slow
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/parking_lot-0.11.2/src/once.rs:304:9
   7: parking_lot::once::Once::call_once_force
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/parking_lot-0.11.2/src/once.rs:188:9
   8: pyo3::gil::GILGuard::acquire
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/pyo3-0.15.1/src/gil.rs:221:17
   9: pyo3::python::Python::acquire_gil
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/pyo3-0.15.1/src/python.rs:297:9
  10: zenoh::session::Session::get::{{closure}}
             at /home/mininet/Desktop/zenoh-python/src/session.rs:524:23
  11: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/core/src/future/mod.rs:80:19
  12: <async_std::task::builder::SupportTaskLocals<F> as core::future::future::Future>::poll::{{closure}}
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-std-1.10.0/src/task/builder.rs:199:17
  13: async_std::task::task_locals_wrapper::TaskLocalsWrapper::set_current::{{closure}}
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-std-1.10.0/src/task/task_locals_wrapper.rs:60:13
  14: std::thread::local::LocalKey<T>::try_with
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/std/src/thread/local.rs:399:16
  15: std::thread::local::LocalKey<T>::with
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/std/src/thread/local.rs:375:9
  16: async_std::task::task_locals_wrapper::TaskLocalsWrapper::set_current
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-std-1.10.0/src/task/task_locals_wrapper.rs:55:9
  17: <async_std::task::builder::SupportTaskLocals<F> as core::future::future::Future>::poll
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-std-1.10.0/src/task/builder.rs:197:13
  18: <futures_lite::future::Or<F1,F2> as core::future::future::Future>::poll
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/futures-lite-1.12.0/src/future.rs:526:33
  19: async_executor::Executor::run::{{closure}}
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-executor-1.4.1/src/lib.rs:242:9
  20: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/core/src/future/mod.rs:80:19
  21: async_executor::LocalExecutor::run::{{closure}}
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-executor-1.4.1/src/lib.rs:447:9
  22: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/core/src/future/mod.rs:80:19
  23: async_io::driver::block_on
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-io-1.6.0/src/driver.rs:142:33
  24: async_global_executor::reactor::block_on::{{closure}}
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-global-executor-2.0.2/src/reactor.rs:3:18
  25: async_global_executor::reactor::block_on
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-global-executor-2.0.2/src/reactor.rs:12:5
  26: async_global_executor::executor::block_on::{{closure}}
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-global-executor-2.0.2/src/executor.rs:26:36
  27: std::thread::local::LocalKey<T>::try_with
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/std/src/thread/local.rs:399:16
  28: std::thread::local::LocalKey<T>::with
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/std/src/thread/local.rs:375:9
  29: async_global_executor::executor::block_on
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-global-executor-2.0.2/src/executor.rs:26:5
  30: async_std::task::builder::Builder::blocking::{{closure}}::{{closure}}
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-std-1.10.0/src/task/builder.rs:171:25
  31: async_std::task::task_locals_wrapper::TaskLocalsWrapper::set_current::{{closure}}
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-std-1.10.0/src/task/task_locals_wrapper.rs:60:13
  32: std::thread::local::LocalKey<T>::try_with
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/std/src/thread/local.rs:399:16
  33: std::thread::local::LocalKey<T>::with
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/std/src/thread/local.rs:375:9
  34: async_std::task::task_locals_wrapper::TaskLocalsWrapper::set_current
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-std-1.10.0/src/task/task_locals_wrapper.rs:55:9
  35: async_std::task::builder::Builder::blocking::{{closure}}
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-std-1.10.0/src/task/builder.rs:168:17
  36: std::thread::local::LocalKey<T>::try_with
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/std/src/thread/local.rs:399:16
  37: std::thread::local::LocalKey<T>::with
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/std/src/thread/local.rs:375:9
  38: async_std::task::builder::Builder::blocking
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-std-1.10.0/src/task/builder.rs:161:9
  39: async_std::task::block_on::block_on
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/async-std-1.10.0/src/task/block_on.rs:33:5
  40: zenoh::session::Session::get
             at /home/mininet/Desktop/zenoh-python/src/session.rs:495:9
  41: zenoh::session::<impl pyo3::class::impl_::PyMethods<zenoh::session::Session> for pyo3::class::impl_::PyClassImplCollector<zenoh::session::Session>>::py_methods::METHODS::__wrap::{{closure}}
             at /home/mininet/Desktop/zenoh-python/src/session.rs:39:1
  42: pyo3::callback::handle_panic::{{closure}}
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/pyo3-0.15.1/src/callback.rs:247:9
  43: std::panicking::try::do_call
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/std/src/panicking.rs:406:40
  44: __rust_try
  45: std::panicking::try
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/std/src/panicking.rs:370:19
  46: std::panic::catch_unwind
             at /rustc/db9d1b20bba1968c1ec1fc49616d4742c1725b4b/library/std/src/panic.rs:133:14
  47: pyo3::callback::handle_panic
             at /home/mininet/.cargo/registry/src/garden.eu.org-1ecc6299db9ec823/pyo3-0.15.1/src/callback.rs:245:24
  48: zenoh::session::<impl pyo3::class::impl_::PyMethods<zenoh::session::Session> for pyo3::class::impl_::PyClassImplCollector<zenoh::session::Session>>::py_methods::METHODS::__wrap
             at /home/mininet/Desktop/zenoh-python/src/session.rs:39:1
  49: <unknown>
  50: _PyEval_EvalFrameDefault
  51: <unknown>
  52: PyEval_EvalCode
  53: <unknown>
  54: PyRun_FileExFlags
  55: PyRun_SimpleFileExFlags
  56: Py_Main
  57: main
  58: __libc_start_main
             at /build/glibc-S9d2JN/glibc-2.27/csu/../csu/libc-start.c:310
  59: _start
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
Traceback (most recent call last):
  File "z_get.py", line 86, in <module>
    replies = session.get(selector, target=QueryTarget(kind, target))
pyo3_runtime.PanicException: assertion failed: `(left != right)`
  left: `0`,
 right: `0`: Python threading is not initalized and the `auto-initialize` feature is not enabled.

Consider calling `pyo3::prepare_freethreaded_python()` before attempting to use Python APIs.