Doc: Python's control flow construct is try/except not try/catch.

Very ancient thinko, dating evidently to 22690719e.
Spotted by gweatherby.

Discussion: https://postgr.es/m/170423637139.1288848.11840082988774620003@wrigleys.postgresql.org

diff --git a/doc/src/sgml/plpython.sgml b/doc/src/sgml/plpython.sgml
index e05e607aba080e266b82903e592afa3ebf0cedaf..e5d51d6e9f5a4a4119e1c90e40d5173b10948cd8 100644 (file)
--- a/doc/src/sgml/plpython.sgml
+++ b/doc/src/sgml/plpython.sgml
@@ -1175,7 +1175,7 @@ plan = plpy.prepare("INSERT INTO operations (result) VALUES ($1)", ["text"])
 plpy.execute(plan, [result])
 $$ LANGUAGE plpython3u;
 </programlisting>
-    Note that the use of <literal>try/catch</literal> is still
+    Note that the use of <literal>try</literal>/<literal>except</literal> is still
     required.  Otherwise the exception would propagate to the top of
     the Python stack and would cause the whole function to abort with
     a <productname>PostgreSQL</productname> error, so that the