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-rw-r--r--lib/spack/llnl/util/tty/__init__.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/spack/llnl/util/tty/__init__.py b/lib/spack/llnl/util/tty/__init__.py
index b3975cc08d..ec7bd66537 100644
--- a/lib/spack/llnl/util/tty/__init__.py
+++ b/lib/spack/llnl/util/tty/__init__.py
@@ -211,6 +211,7 @@ def info(message, *args, **kwargs):
stream.write(line + "\n")
else:
stream.write(indent + _output_filter(str(arg)) + "\n")
+ stream.flush()
def verbose(message, *args, **kwargs):