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-rw-r--r--lib/spack/docs/conf.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/spack/docs/conf.py b/lib/spack/docs/conf.py
index e8e170d0a6..3d2a8251aa 100644
--- a/lib/spack/docs/conf.py
+++ b/lib/spack/docs/conf.py
@@ -43,6 +43,7 @@ import subprocess
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
sys.path.insert(0, os.path.abspath('exts'))
+sys.path.insert(0, os.path.abspath('../external'))
# Add the Spack bin directory to the path so that we can use its output in docs.
spack_root = '../../..'