diff --git a/Vagrantfile b/Vagrantfile
deleted file mode 100644
index e436c18..0000000
--- a/Vagrantfile
+++ /dev/null
@@ -1,71 +0,0 @@
-# -*- mode: ruby -*-
-# vi: set ft=ruby :
-
-# All Vagrant configuration is done below. The "2" in Vagrant.configure
-# configures the configuration version (we support older styles for
-# backwards compatibility). Please don't change it unless you know what
-# you're doing.
-Vagrant.configure(2) do |config|
-  # The most common configuration options are documented and commented below.
-  # For a complete reference, please see the online documentation at
-  # https://docs.vagrantup.com.
-
-  # Every Vagrant development environment requires a box. You can search for
-  # boxes at https://atlas.hashicorp.com/search.
-  config.vm.box = "ubuntu/wily64"
-
-  # Disable automatic box update checking. If you disable this, then
-  # boxes will only be checked for updates when the user runs
-  # `vagrant box outdated`. This is not recommended.
-  # config.vm.box_check_update = false
-
-  # Create a forwarded port mapping which allows access to a specific port
-  # within the machine from a port on the host machine. In the example below,
-  # accessing "localhost:8080" will access port 80 on the guest machine.
-  # config.vm.network "forwarded_port", guest: 80, host: 8080
-
-  # Create a private network, which allows host-only access to the machine
-  # using a specific IP.
-  # config.vm.network "private_network", ip: "192.168.33.10"
-
-  # Create a public network, which generally matched to bridged network.
-  # Bridged networks make the machine appear as another physical device on
-  # your network.
-  # config.vm.network "public_network"
-
-  # Share an additional folder to the guest VM. The first argument is
-  # the path on the host to the actual folder. The second argument is
-  # the path on the guest to mount the folder. And the optional third
-  # argument is a set of non-required options.
-  # config.vm.synced_folder "../data", "/vagrant_data"
-
-  # Provider-specific configuration so you can fine-tune various
-  # backing providers for Vagrant. These expose provider-specific options.
-  # Example for VirtualBox:
-  #
-  # config.vm.provider "virtualbox" do |vb|
-  #   # Display the VirtualBox GUI when booting the machine
-  #   vb.gui = true
-  #
-  #   # Customize the amount of memory on the VM:
-  #   vb.memory = "1024"
-  # end
-  #
-  # View the documentation for the provider you are using for more
-  # information on available options.
-
-  # Define a Vagrant Push strategy for pushing to Atlas. Other push strategies
-  # such as FTP and Heroku are also available. See the documentation at
-  # https://docs.vagrantup.com/v2/push/atlas.html for more information.
-  # config.push.define "atlas" do |push|
-  #   push.app = "YOUR_ATLAS_USERNAME/YOUR_APPLICATION_NAME"
-  # end
-
-  # Enable provisioning with a shell script. Additional provisioners such as
-  # Puppet, Chef, Ansible, Salt, and Docker are also available. Please see the
-  # documentation for more information about their specific syntax and use.
-  # config.vm.provision "shell", inline: <<-SHELL
-  #   sudo apt-get update
-  #   sudo apt-get install -y apache2
-  # SHELL
-end
diff --git a/sins.py b/sins.py
index 33d4b08..e1c5942 100755
--- a/sins.py
+++ b/sins.py
@@ -1,7 +1,6 @@
 #! /usr/bin/env python
 # encoding: utf-8
 
-import struct
 import mmap
 import ctypes
 
@@ -9,7 +8,7 @@ class Sins:
     def __init__(self):
         self.seed = open('./build/scrap.asm.2.o', 'rb').read()
         self.pic = self.pic_load(self.seed)
-        self.callback = ctypes.PYFUNCTYPE(None, ctypes.py_object)(self.callme)
+        self.callback = ctypes.PYFUNCTYPE(ctypes.c_void_p, ctypes.c_int, ctypes.py_object)(self.callme)
 
     def pic_load(self, seedling):
         size = len(seedling)
@@ -18,14 +17,14 @@ class Sins:
         page.write(seedling)
         addr = ctypes.addressof((ctypes.c_char * size).from_buffer(page))
 
-        func = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p, ctypes.c_uint)(addr)
+        func = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p, ctypes.c_int)(addr)
         func.page = page
         func.addr = addr
         func.size = size
 
         return func
 
-    def callme(self):
+    def callme(self, picAddr, picSize):
         print('So Happy.')
 
 if __name__ == '__main__':