[PATCH] py3: use pycompat.getcwd() instead of os.getcwd()

[Yuya Nishihara]

On Wed, 23 Nov 2016 00:05:45 +0530, Pulkit Goyal wrote:
> # HG changeset patch
> # User Pulkit Goyal <7895pulkit at gmail.com>
> # Date 1479839591 -19800
> #      Wed Nov 23 00:03:11 2016 +0530
> # Node ID a05a33c431e39ea250261287863f4b6ede91ca91
> # Parent  b8e4cce34013b1f564a334465813e8ef171e8834
> py3: use pycompat.getcwd() instead of os.getcwd()
> 
> We have pycompat.getcwd() which returns bytes path on Python 3. This patch
> changes most of the occurences of the os.getcwd() with pycompat one.

LGTM.

Maybe some of getcwd() calls can be replaced by '.', but that isn't scope of
this patch.