patman: Drop Python 2 StringIO code
We can rely on Python 3 now, so drop the workaround for importing
StringIO.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/patman/settings.py b/tools/patman/settings.py
index 9ac96c4..21e8fc4 100644
--- a/tools/patman/settings.py
+++ b/tools/patman/settings.py
@@ -34,10 +34,7 @@
- Merge general default settings/aliases with project-specific ones.
# Sample config used for tests below...
- >>> try:
- ... from StringIO import StringIO
- ... except ImportError:
- ... from io import StringIO
+ >>> from io import StringIO
>>> sample_config = '''
... [alias]
... me: Peter P. <likesspiders@example.com>