Onnx: ERROR: Failed building wheel for onnx

[Santhosh1509]

OS: Ubuntu 18.04
Python Version: 2.7.15+
Device: Jetson Nano

Packages pre installed in the virtuale env

DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7.
Package Version

---

numpy 1.16.4
pip 19.1.1
protobuf 3.8.0
setuptools 41.0.1
six 1.12.0
typing 3.6.6
typing-extensions 3.7.2
wheel 0.33.4

Tried:
pip -vv install onnx==1.4.1
Even after
python -m pip install --upgrade pip
Getting this Error

Removed build tracker '/tmp/pip-req-tracker-aetPg2'
ERROR: Command "/home/rlpl123/.virtualenvs/test_yolov3_outofthebox/bin/python2 -u -c 'import setuptools, tokenize;__file__='"'"'/tmp/pip-install-sKvx4d/onnx/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-PJVN9K/install-record.txt --single-version-externally-managed --compile --install-headers /home/rlpl123/.virtualenvs/test_yolov3_outofthebox/include/site/python2.7/onnx" failed with error code 1 in /tmp/pip-install-sKvx4d/onnx/
Exception information:
Traceback (most recent call last):
File "/home/rlpl123/.virtualenvs/test_yolov3_outofthebox/local/lib/python2.7/site-packages/pip/_internal/cli/base_command.py", line 178, in main
status = self.run(options, args)
File "/home/rlpl123/.virtualenvs/test_yolov3_outofthebox/local/lib/python2.7/site-packages/pip/_internal/commands/install.py", line 414, in run
use_user_site=options.use_user_site,
File "/home/rlpl123/.virtualenvs/test_yolov3_outofthebox/local/lib/python2.7/site-packages/pip/_internal/req/__init__.py", line 58, in install_given_reqs
**kwargs
File "/home/rlpl123/.virtualenvs/test_yolov3_outofthebox/local/lib/python2.7/site-packages/pip/_internal/req/req_install.py", line 951, in install
spinner=spinner,
File "/home/rlpl123/.virtualenvs/test_yolov3_outofthebox/local/lib/python2.7/site-packages/pip/_internal/utils/misc.py", line 776, in call_subprocess
% (command_desc, proc.returncode, cwd))
InstallationError: Command "/home/rlpl123/.virtualenvs/test_yolov3_outofthebox/bin/python2 -u -c 'import setuptools, tokenize;__file__='"'"'/tmp/pip-install-sKvx4d/onnx/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-PJVN9K/install-record.txt --single-version-externally-managed --compile --install-headers /home/rlpl123/.virtualenvs/test_yolov3_outofthebox/include/site/python2.7/onnx" failed with error code 1 in /tmp/pip-install-sKvx4d/onnx/

Any solution?

[Santhosh1509]

My bad did
sudo apt-get install protobuf-compiler libprotoc-dev
solved the issue