bitbake: doc/conf.py: add missing import sys

Due to the calls to sys.stderr.write() and sys.exit() in exception
handling in case of sphinx_rtd_theme not being installed, the
following exception is raised by Python due to the fact that sys
module not being imported.

(Bitbake rev: a394eeec6aeb98c6395cb5da2036ce936bdaa0a0)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 5ddf0e5bee0de59d07295fc5693e20b1a0380fde)
Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/bitbake/doc/conf.py b/bitbake/doc/conf.py
index 354dff36f7..fc2ee08111 100644
--- a/bitbake/doc/conf.py
+++ b/bitbake/doc/conf.py
@@ -14,6 +14,7 @@
 # import sys
 # sys.path.insert(0, os.path.abspath('.'))
 
+import sys
 import datetime
 
 current_version = "dev"