Traceback (most recent call last):
  File "/nird/home/yanchun/.local/lib/python3.13/site-packages/jupyter_core/utils/__init__.py", line 154, in wrapped
    asyncio.get_running_loop()
    ~~~~~~~~~~~~~~~~~~~~~~~~^^
RuntimeError: no running event loop

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/diagnostics/cmip7validate-env/lib/python3.13/site-packages/jupyter_cache/executors/utils.py", line 58, in single_nb_execution
    executenb(
    ~~~~~~~~~^
        nb,
        ^^^
    ...<4 lines>...
        **kwargs,
        ^^^^^^^^^
    )
    ^
  File "/nird/home/yanchun/.local/lib/python3.13/site-packages/nbclient/client.py", line 1319, in execute
    return NotebookClient(nb=nb, resources=resources, km=km, **kwargs).execute()
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/nird/home/yanchun/.local/lib/python3.13/site-packages/jupyter_core/utils/__init__.py", line 158, in wrapped
    return loop.run_until_complete(inner)
           ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^
  File "/diagnostics/cmip7validate-env/lib/python3.13/asyncio/base_events.py", line 719, in run_until_complete
    return future.result()
           ~~~~~~~~~~~~~^^
  File "/nird/home/yanchun/.local/lib/python3.13/site-packages/nbclient/client.py", line 709, in async_execute
    await self.async_execute_cell(
        cell, index, execution_count=self.code_cells_executed + 1
    )
  File "/nird/home/yanchun/.local/lib/python3.13/site-packages/nbclient/client.py", line 1005, in async_execute_cell
    exec_reply = await self.task_poll_for_reply
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/nird/home/yanchun/.local/lib/python3.13/site-packages/nbclient/client.py", line 806, in _async_poll_for_reply
    error_on_timeout_execute_reply = await self._async_handle_timeout(timeout, cell)
                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/nird/home/yanchun/.local/lib/python3.13/site-packages/nbclient/client.py", line 856, in _async_handle_timeout
    raise CellTimeoutError.error_from_timeout_and_cell(
        "Cell execution timed out", timeout, cell
    )
nbclient.exceptions.CellTimeoutError: A cell timed out while it was being executed, after 300 seconds.
The message was: Cell execution timed out.
Here is a preview of the cell contents:
-------------------
['# loop through compound names and plot', 'for cname in cnames:', "    mth_vert = 'mean'", "    mth_ts = 'mean'", '    mth_cmap = \'mpl.colormaps["viridis"]\'']
...
['', '    plt.show()', '', '    del data, data2d, data1d', '    del ax1, ax2, pm, cb, gl, fig']
-------------------