email: don't crash on sending mails with unicode comments without appropriate environment configuration (Issue #275) For example, on Linux, running `gearbox serve` with LANG=C, would crash in: File ".../kallithea/lib/celerylib/tasks.py", line 307, in send_email % (' '.join(recipients), headers, subject, body, html_body)) UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 224: ordinal not in range(128) Replacing render with render_unicode works in this case ... but there might be other problems elsewhere.

# requirements.txt file for use as "pip install -r requirements.txt" as a
# readthedocs compatible alternative to "pip install -e ." which is a working
# alternative to "setup.py develop" which doesn't work with Mercurial 3.7
.