test-concurrency: Replace range with xrange

range in Python 3 does what xrange did in Python 2. This still works in
Python 2, it just uses a bit more memory.

Signed-off-by: Simon McVittie <smcv@debian.org>

Closes: #1457
Approved by: cgwalters

1 files changed, 5 insertions, 5 deletions

diff --git a/tests/test-concurrency.py b/tests/test-concurrency.py
index 6fade24f..f16f696b 100755
--- a/tests/test-concurrency.py
+++ b/tests/test-concurrency.py
@@ -34,7 +34,7 @@ def fatal(msg):
 def mktree(dname, serial=0):
     print('Creating tree', dname, file=sys.stderr)
     os.mkdir(dname, 0o755)
-    for v in xrange(20):
+    for v in range(20):
         with open('{}/{}'.format(dname, v), 'w') as f:
             f.write('{} {} {}\n'.format(dname, serial, v))
 
@@ -79,12 +79,12 @@ def run(n_committers, n_pruners):
 
     print('n_committers', n_committers, 'n_pruners', n_pruners, file=sys.stderr)
     n_trees = n_committers / 2
-    for v in xrange(n_trees):
+    for v in range(n_trees):
         mktree('tree{}'.format(v))
 
-    for v in xrange(n_committers):
+    for v in range(n_committers):
         committers.add(commit(v / 2))
-    for v in xrange(n_pruners):
+    for v in range(n_pruners):
         pruners.add(prune())
 
     failed = False
@@ -97,7 +97,7 @@ def run(n_committers, n_pruners):
     if failed:
         fatal('A child process exited abnormally')
 
-    for v in xrange(n_trees):
+    for v in range(n_trees):
         shutil.rmtree('tree{}'.format(v))
 
 # No concurrent pruning