Make Perl::Critic happy

Author: zmughal

lib/AI/TensorFlow/Libtensorflow/Session.pm

@@ -218,7 +218,7 @@ $ffi->attach([ 'SessionPRunSetup' => 'PRunSetup' ] => [
 		$status,
 	);
 
-	return undef unless defined $handle;
+	return unless defined $handle;
 
 	window( my $handle_window, $handle );
 

t/01_hello_tf.t

@@ -1,6 +1,6 @@
 #!/usr/bin/env perl
 
-use Test::More tests => 1;
+use Test2::V0;
 
 use lib 't/lib';
 

t/05_session_run.t

@@ -1,6 +1,6 @@
 #!/usr/bin/env perl
 
-use Test::Most tests => 1;
+use Test2::V0;
 
 use lib 't/lib';
 use TF_TestQuiet;

t/lib/TF_TestQuiet.pm

@@ -1,5 +1,8 @@
 package TF_TestQuiet;
 
+use strict;
+use warnings;
+
 sub import {
 	if( $ENV{HARNESS_ACTIVE} && ! ( $ENV{AUTHOR_TESTING} || $ENV{RELEASE_TESTING} ) ) {
 		$ENV{TF_CPP_MIN_LOG_LEVEL} = 3;

t/lib/TF_Utils.pm

@@ -43,7 +43,7 @@ sub LoadGraph {
 	$graph->ImportGraphDef( $buffer, $opts, $status );
 
 	if( $status->GetCode != AI::TensorFlow::Libtensorflow::Status::OK ) {
-		return undef;
+		return;
 	}
 
 	if( ! defined $checkpoint_prefix ) {