doc/rapi.rst: Add ECODE_TEMP_NORES

The assertion was failing as ECODE_TEMP_NORES was not documented.

Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

doc/rapi.rst

@@ -1501,7 +1501,7 @@ classification:
    errors.ECODE_ALL == set([errors.ECODE_RESOLVER, errors.ECODE_NORES,
      errors.ECODE_INVAL, errors.ECODE_STATE, errors.ECODE_NOENT,
      errors.ECODE_EXISTS, errors.ECODE_NOTUNIQUE, errors.ECODE_FAULT,
-     errors.ECODE_ENVIRON])
+     errors.ECODE_ENVIRON, errors.ECODE_TEMP_NORES])
 
 :pyeval:`errors.ECODE_RESOLVER`
   Resolver errors. This usually means that a name doesn't exist in DNS,
@@ -1513,6 +1513,10 @@ classification:
   etc.). If the resources on the cluster increase, the operation might
   succeed.
 
+:pyeval:`errors.ECODE_TEMP_NORES`
+  Simliar to :pyeval:`errors.ECODE_NORES`, but indicating the operation
+  should be attempted again after some time.
+
 :pyeval:`errors.ECODE_INVAL`
   Wrong arguments (at syntax level). The operation will not ever be
   accepted unless the arguments change.