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-rw-r--r--var/spack/repos/builtin/packages/spark/package.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/var/spack/repos/builtin/packages/spark/package.py b/var/spack/repos/builtin/packages/spark/package.py
index e037c13f3e..9ca6a5aa26 100644
--- a/var/spack/repos/builtin/packages/spark/package.py
+++ b/var/spack/repos/builtin/packages/spark/package.py
@@ -54,6 +54,6 @@ class Spark(Package):
# Remove whitespaces, as they can compromise syntax in
# module files
- hadoop_classpath = re.sub('[\s+]', '', hadoop_classpath)
+ hadoop_classpath = re.sub(r'[\s+]', '', hadoop_classpath)
run_env.set('SPARK_DIST_CLASSPATH', hadoop_classpath)