move from map builtin to list comprehensions
The Python style guide says to avoid map() and stick to list
comprehensions. Python 3 also changes its to be a generator,
so now is a good time to replace all of its users in the tree.
BUG=chromium:980619
TEST=lint is unchanged in chromite
TEST=unittests pass
Change-Id: I98dfc6e6b1107f8926a402006bba3cd287506165
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/1716014
Reviewed-by: LaMont Jones <lamontjones@chromium.org>
Reviewed-by: Mike Nichols <mikenichols@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
diff --git a/scripts/gerrit.py b/scripts/gerrit.py
index 161c84e..8c6265e 100644
--- a/scripts/gerrit.py
+++ b/scripts/gerrit.py
@@ -276,7 +276,7 @@
|children| any number of times.
"""
to_visit = list(to_visit)
- seen = set(map(visited_key, to_visit))
+ seen = set(visited_key(x) for x in to_visit)
for node in to_visit:
for child in children(node):
key = visited_key(child)