This code for getting your profile image in WordPress, this code is working, try this code.
<?php
$user_id=get_the_author_id(get_the_ID());
$meta=get_user_meta($user_id);
$user=get_userdata($user_id);
#print_r($user);
$image_attributes = wp_get_attachment_image_src( $attachment_id = $meta['et_avatar'][0] );
if ( $image_attributes ) {?>
<img src="<?php echo $image_attributes[0]; ?>" width="<?php echo $image_attributes[1]; ?>" height="<?php echo $image_attributes[2]; ?>" />
<?php }else{?>
<img src="http://ture.bollywoodbite.in/wp-content/uploads/2016/08/default_avatar.png">
<?php
} ?>
