3 files changed, 2 insertions, 0 deletions

diff --git a/.pylintrc b/.pylintrc
index c33aa48b8..82afa5a1a 100644
--- a/.pylintrc
+++ b/.pylintrc
@@ -5,6 +5,7 @@
 # run arbitrary code
 extension-pkg-whitelist=
     buildstream._loader._loader,
+    buildstream._loader.types,
     buildstream._variables,
     buildstream._yaml
 
diff --git a/setup.py b/setup.py
index e68dc383c..e393096b8 100755
--- a/setup.py
+++ b/setup.py
@@ -399,6 +399,7 @@ def register_cython_module(module_name, dependencies=None):
 BUILD_EXTENSIONS = []
 
 register_cython_module("buildstream._loader._loader")
+register_cython_module("buildstream._loader.types")
 register_cython_module("buildstream._yaml")
 register_cython_module("buildstream._variables", dependencies=["buildstream._yaml"])
 
diff --git a/src/buildstream/_loader/types.py b/src/buildstream/_loader/types.pyx
index a9aa3ab32..a9aa3ab32 100644
--- a/src/buildstream/_loader/types.py
+++ b/src/buildstream/_loader/types.pyx