View file islemag/index.php

<?php
  get_header(); ?>
		<div class="container">
			<div class="row">
				<div class="islemag-content-left col-md-9">
					<?php
						if ( have_posts() ) :

							while ( have_posts() ) : the_post();

								get_template_part( 'template-parts/content', get_post_format() );

							endwhile;
							the_posts_navigation();

						else :

							get_template_part( 'template-parts/content', 'none' );

						endif;
					?>
				</div><!-- End .islemag-content-left -->
				<?php get_sidebar(); ?>

			</div><!-- End .row -->
		</div><!-- End .container -->
<?php
	wp_reset_postdata();
  get_footer(); ?>