visbrain Sleep crashes when running a 2nd time.

[jshanna100]

If I run a Sleep session, close it, then attempt to run another, it crashes with the following error message:

WARNING: Unrecognized OpenGL version
WARNING: Unrecognized OpenGL version
Segmentation fault (core dumped)

My anaconda environment is as follows:

_libgcc_mutex 0.1 conda_forge conda-forge
_openmp_mutex 4.5 1_gnu conda-forge
alsa-lib 1.2.3 h516909a_0 conda-forge
appdirs 1.4.4 pyh9f0ad1d_0 conda-forge
apptools 5.1.0 pyh44b312d_0 conda-forge
argon2-cffi 20.1.0 py39h3811e60_2 conda-forge
async_generator 1.10 py_0 conda-forge
attrs 21.2.0 pyhd8ed1ab_0 conda-forge
backcall 0.2.0 pyh9f0ad1d_0 conda-forge
backports 1.0 py_2 conda-forge
backports.functools_lru_cache 1.6.4 pyhd8ed1ab_0 conda-forge
bleach 3.3.0 pyh44b312d_0 conda-forge
blosc 1.21.0 h9c3ff4c_0 conda-forge
brotli 1.0.9 h7f98852_5 conda-forge
brotli-bin 1.0.9 h7f98852_5 conda-forge
brotlipy 0.7.0 py39h3811e60_1001 conda-forge
brunsli 0.1 h9c3ff4c_0 conda-forge
bzip2 1.0.8 h7f98852_4 conda-forge
c-ares 1.17.1 h7f98852_1 conda-forge
ca-certificates 2021.5.30 ha878542_0 conda-forge
cached-property 1.5.2 hd8ed1ab_1 conda-forge
cached_property 1.5.2 pyha770c72_1 conda-forge
certifi 2021.5.30 py39hf3d152e_0 conda-forge
cffi 1.14.6 py39he32792d_0 conda-forge
cfitsio 3.470 hb418390_7 conda-forge
cftime 1.5.0 py39hce5d2b2_0 conda-forge
chardet 4.0.0 py39hf3d152e_1 conda-forge
charls 2.2.0 h9c3ff4c_0 conda-forge
chspy 1.2 pypi_0 pypi
cloudpickle 1.6.0 py_0 conda-forge
configobj 5.0.6 py_0 conda-forge
cryptography 3.4.7 py39hbca0aa6_0 conda-forge
curl 7.77.0 hea6ffbf_0 conda-forge
cycler 0.10.0 py_2 conda-forge
cytoolz 0.11.0 py39h3811e60_3 conda-forge
darkdetect 0.3.1 pyhd8ed1ab_0 conda-forge
dask-core 2021.7.0 pyhd8ed1ab_0 conda-forge
dbus 1.13.6 h48d8840_2 conda-forge
deap 1.3.1 pypi_0 pypi
debugpy 1.3.0 py39he80948d_0 conda-forge
decorator 5.0.9 pyhd8ed1ab_0 conda-forge
defusedxml 0.7.1 pyhd8ed1ab_0 conda-forge
deprecated 1.2.12 pyh44b312d_0 conda-forge
dill 0.3.4 pypi_0 pypi
dipy 1.4.1 py39hce5d2b2_0 conda-forge
double-conversion 3.1.5 h9c3ff4c_2 conda-forge
dpath 2.0.1 pypi_0 pypi
eigen 3.3.9 h4bd325d_1 conda-forge
entrypoints 0.3 pyhd8ed1ab_1003 conda-forge
envisage 6.0.1 pyhd8ed1ab_0 conda-forge
expat 2.4.1 h9c3ff4c_0 conda-forge
ffmpeg 4.3.1 hca11adc_2 conda-forge
fontconfig 2.13.1 hba837de_1005 conda-forge
freetype 2.10.4 h0708190_1 conda-forge
freetype-py 2.2.0 pypi_0 pypi
fsspec 2021.7.0 pyhd8ed1ab_0 conda-forge
gettext 0.19.8.1 h0b5b191_1005 conda-forge
giflib 5.2.1 h36c2ea0_2 conda-forge
gl2ps 1.4.2 h0708190_0 conda-forge
glew 2.1.0 h9c3ff4c_2 conda-forge
glib 2.68.3 h9c3ff4c_0 conda-forge
glib-tools 2.68.3 h9c3ff4c_0 conda-forge
gmp 6.2.1 h58526e2_0 conda-forge
gnutls 3.6.13 h85f3911_1 conda-forge
gst-plugins-base 1.18.4 hf529b03_2 conda-forge
gstreamer 1.18.4 h76c114f_2 conda-forge
h5py 3.3.0 nompi_py39h98ba4bc_100 conda-forge
hdf4 4.2.15 h10796ff_3 conda-forge
hdf5 1.10.6 nompi_h6a2412b_1114 conda-forge
hsluv 5.0.2 pypi_0 pypi
icu 68.1 h58526e2_0 conda-forge
idna 2.10 pyh9f0ad1d_0 conda-forge
imagecodecs 2021.6.8 py39h44211f0_0 conda-forge
imageio 2.9.0 py_0 conda-forge
imageio-ffmpeg 0.4.4 pyhd8ed1ab_0 conda-forge
importlib-metadata 4.6.1 py39hf3d152e_0 conda-forge
importlib_metadata 4.6.1 hd8ed1ab_0 conda-forge
importlib_resources 5.2.0 pyhd8ed1ab_0 conda-forge
ipycanvas 0.9.0 pypi_0 pypi
ipyevents 0.8.2 pypi_0 pypi
ipykernel 6.0.1 py39hef51801_0 conda-forge
ipython 7.25.0 py39hef51801_1 conda-forge
ipython_genutils 0.2.0 py_1 conda-forge
ipyvtklink 0.2.1 pypi_0 pypi
ipywidgets 7.6.3 pyhd3deb0d_0 conda-forge
jbig 2.1 h7f98852_2003 conda-forge
jedi 0.18.0 py39hf3d152e_2 conda-forge
jinja2 3.0.1 pyhd8ed1ab_0 conda-forge
jitcdde 1.8.0 pypi_0 pypi
jitcxde-common 1.5.3 pypi_0 pypi
joblib 1.0.1 pyhd8ed1ab_0 conda-forge
jpeg 9d h36c2ea0_0 conda-forge
jsoncpp 1.9.4 h4bd325d_2 conda-forge
jsonschema 3.2.0 pyhd8ed1ab_3 conda-forge
jupyter 1.0.0 py39hf3d152e_6 conda-forge
jupyter_client 6.1.12 pyhd8ed1ab_0 conda-forge
jupyter_console 6.4.0 pyhd8ed1ab_0 conda-forge
jupyter_core 4.7.1 py39hf3d152e_0 conda-forge
jupyterlab_pygments 0.1.2 pyh9f0ad1d_0 conda-forge
jupyterlab_widgets 1.0.0 pyhd8ed1ab_1 conda-forge
jxrlib 1.1 h7f98852_2 conda-forge
kiwisolver 1.3.1 py39h1a9c180_1 conda-forge
krb5 1.19.1 hcc1bbae_0 conda-forge
lame 3.100 h7f98852_1001 conda-forge
lcms2 2.12 hddcbb42_0 conda-forge
ld_impl_linux-64 2.36.1 hea4e1c9_1 conda-forge
lerc 2.2.1 h9c3ff4c_0 conda-forge
libaec 1.0.5 h9c3ff4c_0 conda-forge
libblas 3.9.0 9_openblas conda-forge
libbrotlicommon 1.0.9 h7f98852_5 conda-forge
libbrotlidec 1.0.9 h7f98852_5 conda-forge
libbrotlienc 1.0.9 h7f98852_5 conda-forge
libcblas 3.9.0 9_openblas conda-forge
libclang 11.1.0 default_ha53f305_1 conda-forge
libcurl 7.77.0 h2574ce0_0 conda-forge
libdeflate 1.7 h7f98852_5 conda-forge
libedit 3.1.20191231 he28a2e2_2 conda-forge
libev 4.33 h516909a_1 conda-forge
libevent 2.1.10 hcdb4288_3 conda-forge
libffi 3.3 h58526e2_2 conda-forge
libgcc-ng 9.3.0 h2828fa1_19 conda-forge
libgfortran-ng 9.3.0 hff62375_19 conda-forge
libgfortran5 9.3.0 hff62375_19 conda-forge
libglib 2.68.3 h3e27bee_0 conda-forge
libglu 9.0.0 he1b5a44_1001 conda-forge
libgomp 9.3.0 h2828fa1_19 conda-forge
libiconv 1.16 h516909a_0 conda-forge
liblapack 3.9.0 9_openblas conda-forge
libllvm10 10.0.1 he513fc3_3 conda-forge
libllvm11 11.1.0 hf817b99_2 conda-forge
libnetcdf 4.8.0 nompi_hcd642e3_103 conda-forge
libnghttp2 1.43.0 h812cca2_0 conda-forge
libogg 1.3.4 h7f98852_1 conda-forge
libopenblas 0.3.15 pthreads_h8fe5266_1 conda-forge
libopus 1.3.1 h7f98852_1 conda-forge
libpng 1.6.37 h21135ba_2 conda-forge
libpq 13.3 hd57d9b9_0 conda-forge
libsodium 1.0.18 h36c2ea0_1 conda-forge
libssh2 1.9.0 ha56f1ee_6 conda-forge
libstdcxx-ng 9.3.0 h6de172a_19 conda-forge
libtheora 1.1.1 h7f98852_1005 conda-forge
libtiff 4.3.0 hf544144_1 conda-forge
libuuid 2.32.1 h7f98852_1000 conda-forge
libvorbis 1.3.7 h9c3ff4c_0 conda-forge
libwebp-base 1.2.0 h7f98852_2 conda-forge
libxcb 1.13 h7f98852_1003 conda-forge
libxkbcommon 1.0.3 he3ba5ed_0 conda-forge
libxml2 2.9.12 h72842e0_0 conda-forge
libzip 1.8.0 h4de3113_0 conda-forge
libzopfli 1.0.3 h9c3ff4c_0 conda-forge
llvmlite 0.36.0 py39h1bbdace_0 conda-forge
locket 0.2.0 py_2 conda-forge
loguru 0.5.3 py39hf3d152e_2 conda-forge
lz4-c 1.9.3 h9c3ff4c_0 conda-forge
lzo 2.10 h516909a_1000 conda-forge
markupsafe 2.0.1 py39h3811e60_0 conda-forge
matplotlib 3.4.2 py39hf3d152e_0 conda-forge
matplotlib-base 3.4.2 py39h2fa2bec_0 conda-forge
matplotlib-inline 0.1.2 pyhd8ed1ab_2 conda-forge
mayavi 4.7.2 py39h3a0f4c8_4 conda-forge
meshio 4.4.6 pyhd8ed1ab_0 conda-forge
mffpy 0.6.3 pyhd8ed1ab_0 conda-forge
mistune 0.8.4 py39h3811e60_1004 conda-forge
mne 0.23.0 pyhd8ed1ab_0 conda-forge
mock 4.0.3 py39hf3d152e_1 conda-forge
mpmath 1.2.1 pypi_0 pypi
mysql-common 8.0.25 ha770c72_2 conda-forge
mysql-libs 8.0.25 hfa10184_2 conda-forge
nbclient 0.5.3 pyhd8ed1ab_0 conda-forge
nbconvert 6.1.0 py39hf3d152e_0 conda-forge
nbformat 5.1.3 pyhd8ed1ab_0 conda-forge
ncurses 6.2 h58526e2_4 conda-forge
nest-asyncio 1.5.1 pyhd8ed1ab_0 conda-forge
netcdf4 1.5.7 nompi_py39hc6dca20_100 conda-forge
nettle 3.6 he412f7d_0 conda-forge
networkx 2.5 py_0 conda-forge
neurolib 0.5.14 pypi_0 pypi
nibabel 3.2.1 pyhd8ed1ab_0 conda-forge
nilearn 0.8.0 pyhd8ed1ab_0 conda-forge
notebook 6.4.0 pyha770c72_0 conda-forge
nspr 4.30 h9c3ff4c_0 conda-forge
nss 3.67 hb5efdd6_0 conda-forge
numba 0.53.1 py39h56b8d98_1 conda-forge
numexpr 2.7.3 py39hde0f152_0 conda-forge
numpy 1.21.0 py39hdbf815f_0 conda-forge
olefile 0.46 pyh9f0ad1d_1 conda-forge
openh264 2.1.1 h780b84a_0 conda-forge
openjpeg 2.4.0 hb52868f_1 conda-forge
openssl 1.1.1k h7f98852_0 conda-forge
packaging 21.0 pyhd8ed1ab_0 conda-forge
pandas 1.3.0 py39hde0f152_0 conda-forge
pandoc 2.14.0.3 h7f98852_0 conda-forge
pandocfilters 1.4.2 py_1 conda-forge
parso 0.8.2 pyhd8ed1ab_0 conda-forge
partd 1.2.0 pyhd8ed1ab_0 conda-forge
patsy 0.5.1 py_0 conda-forge
pcre 8.45 h9c3ff4c_0 conda-forge
pexpect 4.8.0 pyh9f0ad1d_2 conda-forge
pickleshare 0.7.5 py_1003 conda-forge
pillow 8.3.1 py39ha612740_0 conda-forge
pip 21.1.3 pyhd8ed1ab_0 conda-forge
pooch 1.4.0 pyhd8ed1ab_0 conda-forge
proj 7.2.0 h277dcde_2 conda-forge
prometheus_client 0.11.0 pyhd8ed1ab_0 conda-forge
prompt-toolkit 3.0.19 pyha770c72_0 conda-forge
prompt_toolkit 3.0.19 hd8ed1ab_0 conda-forge
psutil 5.8.0 py39h3811e60_1 conda-forge
pthread-stubs 0.4 h36c2ea0_1001 conda-forge
ptyprocess 0.7.0 pyhd3deb0d_0 conda-forge
pugixml 1.11.4 h9c3ff4c_0 conda-forge
pycparser 2.20 pyh9f0ad1d_2 conda-forge
pydicom 2.1.2 pyhd3deb0d_0 conda-forge
pyface 7.3.0 pyh44b312d_1 conda-forge
pygments 2.9.0 pyhd8ed1ab_0 conda-forge
pyopengl 3.1.5 pypi_0 pypi
pyopenssl 20.0.1 pyhd8ed1ab_0 conda-forge
pyparsing 2.4.7 pyh9f0ad1d_0 conda-forge
pypet 0.5.2 pypi_0 pypi
pyqt 5.12.3 py39hf3d152e_7 conda-forge
pyqt-impl 5.12.3 py39h0fcd23e_7 conda-forge
pyqt5-sip 4.19.18 py39he80948d_7 conda-forge
pyqtchart 5.12 py39h0fcd23e_7 conda-forge
pyqtwebengine 5.12.1 py39h0fcd23e_7 conda-forge
pyrsistent 0.17.3 py39h3811e60_2 conda-forge
pysocks 1.7.1 py39hf3d152e_3 conda-forge
pysurfer 0.11.0 py_0 conda-forge
pytables 3.6.1 py39hf6dc253_3 conda-forge
python 3.9.6 h49503c6_1_cpython conda-forge
python-dateutil 2.8.1 py_0 conda-forge
python-picard 0.6 pyh8a188c0_0 conda-forge
python_abi 3.9 2_cp39 conda-forge
pytz 2021.1 pyhd8ed1ab_0 conda-forge
pyvista 0.31.3 pyhd8ed1ab_0 conda-forge
pyvistaqt 0.5.0 pyhd8ed1ab_0 conda-forge
pywavelets 1.1.1 py39hce5d2b2_3 conda-forge
pyyaml 5.4.1 py39h3811e60_0 conda-forge
pyzmq 22.1.0 py39h37b5a0c_0 conda-forge
qdarkstyle 3.0.2 pyhd8ed1ab_0 conda-forge
qt 5.12.9 hda022c4_4 conda-forge
qtconsole 5.1.1 pyhd8ed1ab_0 conda-forge
qtpy 1.9.0 py_0 conda-forge
readline 8.1 h46c0cb4_0 conda-forge
requests 2.25.1 pyhd3deb0d_0 conda-forge
scikit-image 0.18.2 py39hde0f152_0 conda-forge
scikit-learn 0.24.2 py39h4dfa638_0 conda-forge
scipy 1.7.0 py39hee8e79c_0 conda-forge
scooby 0.5.7 pyhd8ed1ab_0 conda-forge
send2trash 1.7.1 pyhd8ed1ab_0 conda-forge
setuptools 49.6.0 py39hf3d152e_3 conda-forge
six 1.16.0 pyh6c4a22f_0 conda-forge
snappy 1.1.8 he1b5a44_3 conda-forge
spyder-kernels 2.0.5 py39hf3d152e_0 conda-forge
sqlite 3.36.0 h9cd32fc_0 conda-forge
statsmodels 0.12.2 py39hce5d2b2_0 conda-forge
symengine 0.7.2 pypi_0 pypi
sympy 1.8 pypi_0 pypi
tbb 2020.2 h4bd325d_4 conda-forge
tbb-devel 2020.2 h4bd325d_4 conda-forge
terminado 0.10.1 py39hf3d152e_0 conda-forge
testpath 0.5.0 pyhd8ed1ab_0 conda-forge
threadpoolctl 2.2.0 pyh8a188c0_0 conda-forge
tifffile 2021.7.2 pyhd8ed1ab_0 conda-forge
tk 8.6.10 h21135ba_1 conda-forge
toolz 0.11.1 py_0 conda-forge
tornado 6.1 py39h3811e60_1 conda-forge
tqdm 4.61.2 pyhd8ed1ab_1 conda-forge
traitlets 5.0.5 py_0 conda-forge
traits 6.2.0 py39h3811e60_0 conda-forge
traitsui 7.2.0 pyhd8ed1ab_0 conda-forge
transforms3d 0.3.1 py_0 conda-forge
tzdata 2021a he74cb21_1 conda-forge
urllib3 1.26.6 pyhd8ed1ab_0 conda-forge
utfcpp 3.2.1 ha770c72_0 conda-forge
vispy 0.7.1 pypi_0 pypi
vtk 9.0.1 no_osmesa_py39h801044d_109 conda-forge
wcwidth 0.2.5 pyh9f0ad1d_2 conda-forge
webencodings 0.5.1 py_1 conda-forge
wheel 0.36.2 pyhd3deb0d_0 conda-forge
widgetsnbextension 3.5.1 py39hf3d152e_4 conda-forge
wrapt 1.12.1 py39h3811e60_3 conda-forge
wurlitzer 2.1.0 py39hf3d152e_0 conda-forge
x264 1!161.3030 h7f98852_1 conda-forge
xarray 0.18.2 pypi_0 pypi
xlrd 2.0.1 pyhd8ed1ab_3 conda-forge
xorg-kbproto 1.0.7 h7f98852_1002 conda-forge
xorg-libice 1.0.10 h7f98852_0 conda-forge
xorg-libsm 1.2.3 hd9c2040_1000 conda-forge
xorg-libx11 1.7.2 h7f98852_0 conda-forge
xorg-libxau 1.0.9 h7f98852_0 conda-forge
xorg-libxdmcp 1.1.3 h7f98852_0 conda-forge
xorg-libxext 1.3.4 h7f98852_1 conda-forge
xorg-libxt 1.2.1 h7f98852_2 conda-forge
xorg-xextproto 7.3.0 h7f98852_1002 conda-forge
xorg-xproto 7.0.31 h7f98852_1007 conda-forge
xz 5.2.5 h516909a_1 conda-forge
yaml 0.2.5 h516909a_0 conda-forge
zeromq 4.3.4 h9c3ff4c_0 conda-forge
zfp 0.5.5 h9c3ff4c_5 conda-forge
zipp 3.5.0 pyhd8ed1ab_0 conda-forge
zlib 1.2.11 h516909a_1010 conda-forge
zstd 1.5.0 ha95c52a_0 conda-forge