py3: convert content-type to bytes
This fixes the exception:
TypeError: %b requires a bytes-like object, or an object that
implements __bytes__, not 'str'
On the line:
ui.debug('Content-Type: %s\n' % content_type)
And it prevents additional exceptions that use the content_type
variable later.
Differential Revision: https://phab.mercurial-scm.org/D2136
Mercurial
=========
Mercurial is a fast, easy to use, distributed revision control tool
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Basic install::
$ make # see install targets
$ make install # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg # see help
Running without installing::
$ make local # build for inplace usage
$ ./hg --version # should show the latest version
See https://mercurial-scm.org/ for detailed installation
instructions, platform-specific notes, and Mercurial user information.