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-rw-r--r--lib/spack/spack/cmd/patch.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/spack/spack/cmd/patch.py b/lib/spack/spack/cmd/patch.py
index 44fc8696db..b04b402738 100644
--- a/lib/spack/spack/cmd/patch.py
+++ b/lib/spack/spack/cmd/patch.py
@@ -24,6 +24,7 @@
##############################################################################
import argparse
+import llnl.util.tty as tty
import spack.cmd
import spack