commit 43c500bf080eb1d1df0df1d6b6ccd7e801c663dd
Author: Your Name <you@example.com>
Date:   Thu May 9 21:28:21 2019 +0200

    use relative imports
    
    This makes it possible to vendorize msgpack (with a different module name) more easily.

diff --git a/msgpack/__init__.py b/msgpack/__init__.py
index 3955a41..3a3cf3a 100644
--- a/msgpack/__init__.py
+++ b/msgpack/__init__.py
@@ -1,6 +1,6 @@
 # coding: utf-8
-from msgpack._version import version
-from msgpack.exceptions import *
+from ._version import version
+from .exceptions import *
 
 from collections import namedtuple
 
@@ -19,13 +19,13 @@ class ExtType(namedtuple('ExtType', 'code data')):
 
 import os
 if os.environ.get('MSGPACK_PUREPYTHON'):
-    from msgpack.fallback import Packer, unpackb, Unpacker
+    from .fallback import Packer, unpackb, Unpacker
 else:
     try:
-        from msgpack._packer import Packer
-        from msgpack._unpacker import unpackb, Unpacker
+        from ._packer import Packer
+        from ._unpacker import unpackb, Unpacker
     except ImportError:
-        from msgpack.fallback import Packer, unpackb, Unpacker
+        from .fallback import Packer, unpackb, Unpacker
 
 
 def pack(o, stream, **kwargs):
diff --git a/msgpack/_packer.pyx b/msgpack/_packer.pyx
index 225f24a..c490a5b 100644
--- a/msgpack/_packer.pyx
+++ b/msgpack/_packer.pyx
@@ -5,8 +5,8 @@ from cpython cimport *
 from cpython.version cimport PY_MAJOR_VERSION
 from cpython.exc cimport PyErr_WarnEx
 
-from msgpack.exceptions import PackValueError, PackOverflowError
-from msgpack import ExtType
+from .exceptions import PackValueError, PackOverflowError
+from . import ExtType
 
 
 cdef extern from "Python.h":
diff --git a/msgpack/_unpacker.pyx b/msgpack/_unpacker.pyx
index d7fa5bc..0abd9c1 100644
--- a/msgpack/_unpacker.pyx
+++ b/msgpack/_unpacker.pyx
@@ -32,13 +32,13 @@ from libc.string cimport *
 from libc.limits cimport *
 ctypedef unsigned long long uint64_t
 
-from msgpack.exceptions import (
+from .exceptions import (
     BufferFull,
     OutOfData,
     UnpackValueError,
     ExtraData,
 )
-from msgpack import ExtType
+from . import ExtType
 
 
 cdef extern from "unpack.h":
diff --git a/msgpack/fallback.py b/msgpack/fallback.py
index c0e5fd6..fd01bf8 100644
--- a/msgpack/fallback.py
+++ b/msgpack/fallback.py
@@ -49,7 +49,7 @@ else:
     newlist_hint = lambda size: []
 
 
-from msgpack.exceptions import (
+from .exceptions import (
     BufferFull,
     OutOfData,
     UnpackValueError,
@@ -57,7 +57,7 @@ from msgpack.exceptions import (
     PackOverflowError,
     ExtraData)
 
-from msgpack import ExtType
+from . import ExtType
 
 
 EX_SKIP                 = 0
diff --git a/msgpack/unpack_define.h b/msgpack/unpack_define.h
index 0dd708d..d681277 100644
--- a/msgpack/unpack_define.h
+++ b/msgpack/unpack_define.h
@@ -18,7 +18,7 @@
 #ifndef MSGPACK_UNPACK_DEFINE_H__
 #define MSGPACK_UNPACK_DEFINE_H__
 
-#include "msgpack/sysdep.h"
+#include "sysdep.h"
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>