Modified pyenv appending to use no compression.
Modified pyenv appending to use no compression.

Since the pyenv zip is already compressed, compression is not a
win, and will only slow down packing the zip and decompression on
the robots.

Signed-off-by: Alastair Lynn <4665d361aaf271b139147017031ea99df777ca5a@gmail.com>

jmorse/cyanide,jmorse/cyanide,jmorse/cyanide,jmorse/cyanide