'AppSession' object has no attribute 'get_current_session'

[dbogdoll]

I wanted to access the query and header values, and stumbled over the following documentation:

https://shiny.posit.co/py/api/core/Session.html

But looking to that object, it does not contain the methods which are described here:

dir(session)

returns

['__abstractmethods__', '__annotations__', '__class__', '__delattr__', '__dict__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getstate__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__le__', '__lt__', '__module__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__slots__', '__str__', '__subclasshook__', '__weakref__', '_abc_impl', '_busy_count', '_conn', '_debug', '_decrement_busy_count', '_dispatch', '_downloads', '_dynamic_routes', '_file_upload_manager', '_flush', '_flush_callbacks', '_flushed_callbacks', '_handle_request', '_handle_request_impl', '_has_run_session_ended_tasks', '_increment_busy_count', '_init_message_handlers', '_is_hidden', '_manage_inputs', '_message_handlers', '_on_ended_callbacks', '_outbound_message_queues', '_print_error_message', '_process_ui', '_register_session_ended_callbacks', '_request_flush', '_run', '_run_session_ended_tasks', '_send_error_response', '_send_insert_ui', '_send_message', '_send_message_sync', '_send_progress', '_send_remove_ui', '_send_response', '_unhandled_error', 'app', 'bookmark', 'clientdata', 'close', 'download', 'dynamic_route', 'groups', 'http_conn', 'id', 'input', 'is_stub_session', 'make_scope', 'ns', 'on_ended', 'on_flush', 'on_flushed', 'output', 'root_scope', 'send_custom_message', 'send_input_message', 'set_message_handler', 'user']