NVIDIA NVIDIA Jetson Nano Developer Kit
 L4T 32.7.4 [ JetPack UNKNOWN ]
   Ubuntu 18.04.6 LTS
   Kernel Version: 4.9.337-tegra
 CUDA 10.2.300
   CUDA Architecture: 5.3
 OpenCV version: 4.1.1
   OpenCV Cuda: NO
 CUDNN: 8.2.1.32
 TensorRT: 8.2.1.8
 Vision Works: 1.6.0.501
 VPI: 1.2.3
 Vulcan: 1.2.70
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Jetpack version: 4.6 (details attached in the file)

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Python version(s): 
Python 3.6.9 (default, Mar 10 2023, 16:46:00) 
[GCC 8.4.0] on linux

Python 2.7.17 (default, Mar  8 2023, 18:40:28) 
[GCC 7.5.0] on linux2

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Running in virtual env

Commands tried:
$ sudo apt-get install python3-pip
$ sudo apt-get install libhdf5-serial-dev hdf5-tools libhdf5-dev 
$ pip3 install cython
$ pip3 install h5py==2.10.0 (tried 2.9.0, 3.0.0 and 3.1.0 as well)

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Also tried:
pip install --upgrade pip setuptools wheel

sudo ln -s /usr/include/locale.h /usr/include/xlocale.h
sudo env H5PY_SETUP_REQUIRES=0 pip3 install -U h5py==3.1.0
sudo env H5PY_SETUP_REQUIRES=0 pip3 install -U --no-build-isolation h5py==3.1.0

pip3 install —no-binary=h5py 

(I tried uninstalling h5py before the above commands to make sure it is not installed)