Cleanups for style, docs, etc from #438

1 files changed, 9 insertions, 0 deletions

diff --git a/coverage/backward.py b/coverage/backward.py
index 7f571c0..81ca342 100644
--- a/coverage/backward.py
+++ b/coverage/backward.py
@@ -49,6 +49,15 @@ try:
 except NameError:
     range = range
 
+# shlex.quote is new, but there's an undocumented implementation in "pipes",
+# who knew!?
+try:
+    from shlex import quote as shlex_quote
+except ImportError:
+    # Useful function, available under a different (undocumented) name
+    # in Python versions earlier than 3.3.
+    from pipes import quote as shlex_quote
+
 # A function to iterate listlessly over a dict's items.
 try:
     {}.iteritems