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-rw-r--r--src/engine/SCons/Subst.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/engine/SCons/Subst.py b/src/engine/SCons/Subst.py
index 3c9b390d..9aa4bbcf 100644
--- a/src/engine/SCons/Subst.py
+++ b/src/engine/SCons/Subst.py
@@ -438,7 +438,7 @@ def scons_subst(strSubst, env, mode=SUBST_RAW, target=None, source=None, gvars={
return s
else:
key = s[1:]
- if key[0] == '{' or key.find('.') >= 0:
+ if key[0] == '{' or '.' in key:
if key[0] == '{':
key = key[1:-1]
try: