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-rw-r--r--mesonbuild/dependencies/python.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/mesonbuild/dependencies/python.py b/mesonbuild/dependencies/python.py
index 14386f96f..b9fbbbbdc 100644
--- a/mesonbuild/dependencies/python.py
+++ b/mesonbuild/dependencies/python.py
@@ -75,6 +75,7 @@ class BasicPythonExternalProgram(ExternalProgram):
self.name = name
self.command = ext_prog.command
self.path = ext_prog.path
+ self.cached_version = None
# We want strong key values, so we always populate this with bogus data.
# Otherwise to make the type checkers happy we'd have to do .get() for