Index: gsm0338-1.0.0/gsm0338/codec.py
===================================================================
--- gsm0338-1.0.0.orig/gsm0338/codec.py
+++ gsm0338-1.0.0/gsm0338/codec.py
@@ -1,5 +1,4 @@
 import codecs
-from six import byte2int, int2byte, unichr
 from .charset import BASIC_CHARACTER_SET, BASIC_CHARACTER_SET_EXTENSION
 
 # Codec APIs
@@ -50,8 +49,8 @@ class Codec(codecs.Codec):
                                      (self.NAME, character, consumed - 1))
             if num is not None:
                 if num & 0xff00:
-                    encode_buffer += int2byte(self._ESCAPE)
-                encode_buffer += int2byte(num & 0xff)
+                    encode_buffer += bytes((self._ESCAPE,))
+                encode_buffer += bytes((num & 0xff,))
         return encode_buffer, consumed
 
     def decode(self, input, errors='strict'):
@@ -67,12 +66,12 @@ class Codec(codecs.Codec):
         num = 0
         for value in input:
             consumed += 1
-            num |= byte2int([value])
+            num |= [value][0]
             if num == self._ESCAPE:
                 num <<= 8
                 continue
             try:
-                decode_buffer += unichr(self._decode_map[num])
+                decode_buffer += chr(self._decode_map[num])
             except KeyError as ex:
                 if errors == 'replace':
                     decode_buffer += u'\ufffd'
Index: gsm0338-1.0.0/requirements.txt
===================================================================
--- gsm0338-1.0.0.orig/requirements.txt
+++ gsm0338-1.0.0/requirements.txt
@@ -1,3 +1,2 @@
-six
 pytest
 pytest-flake8
Index: gsm0338-1.0.0/setup.py
===================================================================
--- gsm0338-1.0.0.orig/setup.py
+++ gsm0338-1.0.0/setup.py
@@ -34,7 +34,7 @@ setup(
     long_description=long_description,
 
     packages=find_packages(),
-    install_requires=['six'],
+    install_requires=[],
     package_data={
         '': ['*.txt', '*.rst'],
     },
Index: gsm0338-1.0.0/test/test_codec.py
===================================================================
--- gsm0338-1.0.0.orig/test/test_codec.py
+++ gsm0338-1.0.0/test/test_codec.py
@@ -2,7 +2,6 @@
 
 import gsm0338
 import pytest
-from six import int2byte
 
 
 @pytest.fixture
@@ -10,8 +9,8 @@ def codec():
     return gsm0338.Codec()
 
 
-GSM_BASIC_CHARACTER_SET = b"".join([int2byte(x) for x in range(27)]) +\
-    b"".join([int2byte(x) for x in range(28, 128)]) +\
+GSM_BASIC_CHARACTER_SET = b"".join([bytes(range(27))]) +\
+    b"".join([bytes(range(28, 128))]) +\
     b"\x1B\x0A\x1B\x14\x1B\x28\x1B\x29\x1B\x2F"\
     b"\x1B\x3C\x1B\x3D\x1B\x3E\x1B\x40\x1B\x65"
 UNICODE_BASIC_CHARACTER_SET = u"@£$¥èéùìòÇ\nØø\rÅåΔ_ΦΓΛΩΠΨΣΘΞÆæßÉ" \