patch 8.0.1280: Python None cannot be converted to a Vim type
Problem: Python None cannot be converted to a Vim type.
Solution: Convert it to v:none. (Ken Takata)
diff --git a/runtime/doc/if_pyth.txt b/runtime/doc/if_pyth.txt
index d1dc845..8f96e41 100644
--- a/runtime/doc/if_pyth.txt
+++ b/runtime/doc/if_pyth.txt
@@ -715,6 +715,8 @@
functions to evaluate Python expressions and pass their values to Vim script.
|pyxeval()| is also available.
+The Python value "None" is converted to v:none.
+
==============================================================================
9. Dynamic loading *python-dynamic*