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-rw-r--r--mesonbuild/mesonmain.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/mesonbuild/mesonmain.py b/mesonbuild/mesonmain.py
index bc5d35a..7f7ab43 100644
--- a/mesonbuild/mesonmain.py
+++ b/mesonbuild/mesonmain.py
@@ -70,7 +70,7 @@ class MesonApp():
def __init__(self, dir1, dir2, script_launcher, handshake, options, original_cmd_line_args):
(self.source_dir, self.build_dir) = self.validate_dirs(dir1, dir2, handshake)
if not os.path.isabs(options.prefix):
- raise RuntimeError('--prefix value \'{0}\' must be an absolute path: '.format(options.prefix))
+ raise RuntimeError('--prefix value must be an absolute path: {!r}'.format(options.prefix))
if options.prefix.endswith('/') or options.prefix.endswith('\\'):
# On Windows we need to preserve the trailing slash if the
# string is of type 'C:\' because 'C:' is not an absolute path.