panel: Regression in Tabulator.selected_dataframe for panel>0.12.1

name: panel-0.12.4
channels:
  - pyviz
  - conda-forge
  - defaults
dependencies:
  - argon2-cffi=21.1.0
  - async_generator=1.10
  - attrs=21.2.0
  - backcall=0.2.0
  - backports=1.0
  - backports.functools_lru_cache=1.6.4
  - bleach=4.1.0
  - bokeh=2.4.1
  - brotlipy=0.7.0
  - ca-certificates=2021.10.8
  - certifi=2021.10.8
  - cffi=1.15.0
  - chardet=4.0.0
  - colorama=0.4.4
  - cryptography=35.0.0
  - debugpy=1.5.1
  - decorator=5.1.0
  - defusedxml=0.7.1
  - entrypoints=0.3
  - et_xmlfile=1.0.1
  - freetype=2.10.4
  - idna=2.10
  - importlib-metadata=4.8.1
  - importlib_resources=5.4.0
  - intel-openmp=2021.4.0
  - ipykernel=6.4.2
  - ipython=7.29.0
  - ipython_genutils=0.2.0
  - jbig=2.1
  - jedi=0.18.0
  - jinja2=3.0.2
  - jpeg=9d
  - jsonschema=4.2.1
  - jupyter_client=7.0.6
  - jupyter_core=4.9.1
  - jupyterlab_pygments=0.1.2
  - lcms2=2.12
  - lerc=3.0
  - libblas=3.9.0
  - libcblas=3.9.0
  - libdeflate=1.8
  - liblapack=3.9.0
  - libpng=1.6.37
  - libsodium=1.0.18
  - libtiff=4.3.0
  - libzlib=1.2.11
  - lz4-c=1.9.3
  - markdown=3.3.4
  - markupsafe=2.0.1
  - matplotlib-inline=0.1.3
  - mistune=0.8.4
  - mkl=2021.4.0
  - nbclient=0.5.4
  - nbconvert=6.2.0
  - nbformat=5.1.3
  - nest-asyncio=1.5.1
  - notebook=6.4.5
  - numpy=1.21.4
  - olefile=0.46
  - openjpeg=2.4.0
  - openpyxl=3.0.9
  - openssl=1.1.1l
  - packaging=21.0
  - pandas=1.3.4
  - pandoc=2.16.1
  - pandocfilters=1.5.0
  - panel=0.12.4
  - param=1.12.0
  - parso=0.8.2
  - pickleshare=0.7.5
  - pillow=8.3.2
  - pip=21.3.1
  - prometheus_client=0.12.0
  - prompt-toolkit=3.0.22
  - pycparser=2.21
  - pyct=0.4.8
  - pyct-core=0.4.8
  - pygments=2.10.0
  - pyopenssl=21.0.0
  - pyparsing=3.0.5
  - pyrsistent=0.18.0
  - pysocks=1.7.1
  - python=3.9.7
  - python-dateutil=2.8.2
  - python_abi=3.9
  - pytz=2021.3
  - pyviz_comms=2.1.0
  - pywin32=302
  - pywinpty=1.1.5
  - pyyaml=6.0
  - pyzmq=22.3.0
  - requests=2.25.1
  - send2trash=1.8.0
  - setuptools=58.5.3
  - six=1.16.0
  - sqlite=3.36.0
  - tbb=2021.4.0
  - terminado=0.12.1
  - testpath=0.5.0
  - tk=8.6.11
  - tornado=6.1
  - tqdm=4.62.3
  - traitlets=5.1.1
  - typing_extensions=3.10.0.2
  - tzdata=2021e
  - ucrt=10.0.20348.0
  - urllib3=1.26.7
  - vc=14.2
  - vs2015_runtime=14.29.30037
  - wcwidth=0.2.5
  - webencodings=0.5.1
  - wheel=0.37.0
  - win_inet_pton=1.1.0
  - winpty=0.4.3
  - xz=5.2.5
  - yaml=0.2.5
  - zeromq=4.3.4
  - zipp=3.6.0
  - zlib=1.2.11
  - zstd=1.5.0
prefix: C:\Users\User\.conda\envs\panel-0.12.4

---------------------------------------------------------------------------
IndexError                                Traceback (most recent call last)
~\.conda\envs\panel-0.12.4\lib\site-packages\pandas\core\indexing.py in _get_list_axis(self, key, axis)
   1529         try:
-> 1530             return self.obj._take_with_is_copy(key, axis=axis)
   1531         except IndexError as err:

~\.conda\envs\panel-0.12.4\lib\site-packages\pandas\core\generic.py in _take_with_is_copy(self, indices, axis)
   3627         """
-> 3628         result = self.take(indices=indices, axis=axis)
   3629         # Maybe set copy if we didn't actually change the index.

~\.conda\envs\panel-0.12.4\lib\site-packages\pandas\core\generic.py in take(self, indices, axis, is_copy, **kwargs)
   3614 
-> 3615         new_data = self._mgr.take(
   3616             indices, axis=self._get_block_manager_axis(axis), verify=True

~\.conda\envs\panel-0.12.4\lib\site-packages\pandas\core\internals\managers.py in take(self, indexer, axis, verify)
    861         n = self.shape[axis]
--> 862         indexer = maybe_convert_indices(indexer, n, verify=verify)
    863 

~\.conda\envs\panel-0.12.4\lib\site-packages\pandas\core\indexers.py in maybe_convert_indices(indices, n, verify)
    291         if mask.any():
--> 292             raise IndexError("indices are out-of-bounds")
    293     return indices

IndexError: indices are out-of-bounds

The above exception was the direct cause of the following exception:

IndexError                                Traceback (most recent call last)
~\AppData\Local\Temp/ipykernel_172632/1318812073.py in <module>
      1 # This fails for panel>0.12.1:
      2 if demo:
----> 3     fill_tbl2(True)

~\AppData\Local\Temp/ipykernel_172632/1200927601.py in fill_tbl2(event)
      4     df_new = (
      5         df2.append(
----> 6             other=tbl.selected_dataframe,
      7             ignore_index=True
      8         )

~\.conda\envs\panel-0.12.4\lib\site-packages\panel\widgets\tables.py in selected_dataframe(self)
    546         if not self.selection:
    547             return self._processed
--> 548         return self._processed.iloc[self.selection]
    549 
    550 

~\.conda\envs\panel-0.12.4\lib\site-packages\pandas\core\indexing.py in __getitem__(self, key)
    929 
    930             maybe_callable = com.apply_if_callable(key, self.obj)
--> 931             return self._getitem_axis(maybe_callable, axis=axis)
    932 
    933     def _is_scalar_access(self, key: tuple):

~\.conda\envs\panel-0.12.4\lib\site-packages\pandas\core\indexing.py in _getitem_axis(self, key, axis)
   1555         # a list of integers
   1556         elif is_list_like_indexer(key):
-> 1557             return self._get_list_axis(key, axis=axis)
   1558 
   1559         # a single integer

~\.conda\envs\panel-0.12.4\lib\site-packages\pandas\core\indexing.py in _get_list_axis(self, key, axis)
   1531         except IndexError as err:
   1532             # re-raise with different error message
-> 1533             raise IndexError("positional indexers are out-of-bounds") from err
   1534 
   1535     def _getitem_axis(self, key, axis: int):

IndexError: positional indexers are out-of-bounds