Move import and update APIG example

Author: ashovlin

awscli/examples/apigatewayv2/put-routing-rule.rst

@@ -3,7 +3,7 @@
 The following ``put-routing-rule`` example updates the priority of a routing rule. ::
 
     aws apigatewayv2 put-routing-rule \
-        --routing-rule-id 'abc123' \
+        --routing-rule-id 'aaa111' \
         --domain-name 'regional.example.com' \
         --priority 150 \
         --conditions '[ \

tests/functional/docs/test_examples.py

@@ -31,7 +31,7 @@
 import docutils.utils
 import pytest
 
-from awscli.argparser import MainArgParser, ServiceArgParser
+from awscli.argparser import ArgTableArgParser, MainArgParser, ServiceArgParser
 from awscli.testutils import BaseAWSHelpOutputTest, create_clidriver
 
 # Mapping of command names to subcommands that have examples in their help
@@ -319,8 +319,6 @@ def validate_cli_command(self, command, filename):
             operation_cmd = cmd_table[operation_name]
 
             # Validate all arguments using the operation's argument parser
-            from awscli.argparser import ArgTableArgParser
-
             arg_table = operation_cmd.arg_table
             operation_parser = ArgTableArgParser(arg_table)