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-rw-r--r--documentation/index.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/documentation/index.rst b/documentation/index.rst
index b837230..d60328a 100644
--- a/documentation/index.rst
+++ b/documentation/index.rst
@@ -31,6 +31,10 @@ Indices and tables
Package contents
----------------
+.. data:: PY2
+
+ A boolean indicating if the code is running on Python 2.
+
.. data:: PY3
A boolean indicating if the code is running on Python 3.