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-rw-r--r--Lib/distutils/sysconfig.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/distutils/sysconfig.py b/Lib/distutils/sysconfig.py
index f72b7f5a19..681359870c 100644
--- a/Lib/distutils/sysconfig.py
+++ b/Lib/distutils/sysconfig.py
@@ -278,7 +278,7 @@ def parse_config_h(fp, g=None):
# Regexes needed for parsing Makefile (and similar syntaxes,
# like old-style Setup files).
-_variable_rx = re.compile("([a-zA-Z][a-zA-Z0-9_]+)\s*=\s*(.*)")
+_variable_rx = re.compile(r"([a-zA-Z][a-zA-Z0-9_]+)\s*=\s*(.*)")
_findvar1_rx = re.compile(r"\$\(([A-Za-z][A-Za-z0-9_]*)\)")
_findvar2_rx = re.compile(r"\${([A-Za-z][A-Za-z0-9_]*)}")