updated for version 7.3.907
Problem:    Python uses IndexError when a dict key is not found.
Solution:   Use KeyError instead. (ZyX)
diff --git a/src/testdir/test86.ok b/src/testdir/test86.ok
index fd670c8..20b00d4 100644
--- a/src/testdir/test86.ok
+++ b/src/testdir/test86.ok
@@ -38,7 +38,7 @@
 Vim(python):E725:
 Vim(python):E117:
 [0.0, 0.0]
-IndexError
+KeyError
 TypeError
 TypeError
 ValueError
diff --git a/src/testdir/test87.ok b/src/testdir/test87.ok
index b876900..9d75c56 100644
--- a/src/testdir/test87.ok
+++ b/src/testdir/test87.ok
@@ -38,7 +38,7 @@
 Vim(py3):E725:
 Vim(py3):E117:
 [0.0, 0.0]
-IndexError
+KeyError
 TypeError
 TypeError
 ValueError