UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 67: ordinal not in range(128)

[lrajesh]

I would like to use hookbox for my project with flask. I got an issue while installing hookbox 0.3.3 on virtualenv of python 2.6.6. Please check the following traceback

Command /home/rajesh/testve/bin/python -c "import setuptools;file='/home/rajesh/testve/build/greenlet/setup.py';exec(compile(open(file).read().replace('\r\n', '\n'), file, 'exec'))" install --record /tmp/pip-pZDER7-record/install-record.txt --single-version-externally-managed --install-headers /home/rajesh/testve/include/site/python2.6 failed with error code 1 in /home/rajesh/testve/build/greenlet
Traceback (most recent call last):
File "/home/rajesh/testve/bin/pip", line 9, in
load_entry_point('pip==1.4.1', 'console_scripts', 'pip')()
File "/home/rajesh/testve/lib/python2.6/site-packages/pip/init.py", line 148, in main
return command.main(args[1:], options)
File "/home/rajesh/testve/lib/python2.6/site-packages/pip/basecommand.py", line 169, in main
text = '\n'.join(complete_log)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 67: ordinal not in range(128)