diff --git a/thriftpy/hook.py b/thriftpy/hook.py
index d11b631..434f70b 100644
--- a/thriftpy/hook.py
+++ b/thriftpy/hook.py
@@ -12,16 +12,19 @@ def __init__(self, extension="_thrift"):
         self.extension = extension
 
     def __eq__(self, other):
-        return self.__class__.__module__ == other.__class__.__module__ and \
-            self.__class__.__name__ == other.__class__.__name__ and \
-            self.extension == other.extension
+        if not other or not isinstance(other, self.__class__):
+            return False
+        return self.extension == other.extension
 
     def find_module(self, fullname, path=None):
         if fullname.endswith(self.extension):
             return self
 
-    def load_module(self, fullname):
+    @classmethod
+    def load_module(cls, fullname):
         return load_module(fullname)
+
+
 _imp = ThriftImporter()
 
 
diff --git a/thriftpy/parser/lexer.py b/thriftpy/parser/lexer.py
index bde1cb7..2f40dec 100644
--- a/thriftpy/parser/lexer.py
+++ b/thriftpy/parser/lexer.py
@@ -8,7 +8,7 @@
 literals = ':;,=*{}()<>[]'
 
 
-thrift_reserved_keywords = (
+thrift_reserved_keywords = set([
     'BEGIN',
     'END',
     '__CLASS__',
@@ -113,7 +113,7 @@
     'with',
     'xor',
     'yield'
-)
+])
 
 
 keywords = (
@@ -159,7 +159,7 @@
 
 
 def t_error(t):
-    raise ThriftLexerError('Illegal characher %r at line %d' %
+    raise ThriftLexerError('Illegal character %r at line %d' %
                            (t.value[0], t.lineno))
 
 
@@ -236,7 +236,7 @@ def t_LITERAL(t):
             if s[i] in maps:
                 val += maps[s[i]]
             else:
-                msg = 'Unexcepted escaping characher: %s' % s[i]
+                msg = 'Unexpected escaping character: %s' % s[i]
                 raise ThriftLexerError(msg)
         else:
             val += s[i]
diff --git a/thriftpy/parser/parser.py b/thriftpy/parser/parser.py
index f65320a..cdbba1c 100644
--- a/thriftpy/parser/parser.py
+++ b/thriftpy/parser/parser.py
@@ -48,7 +48,7 @@ def p_include(p):
     '''include : INCLUDE LITERAL'''
     thrift = thrift_stack[-1]
     if thrift.__thrift_file__ is None:
-        raise ThriftParserError('Unexcepted include statement while loading'
+        raise ThriftParserError('Unexpected include statement while loading'
                                 'from file like object.')
     replace_include_dirs = [os.path.dirname(thrift.__thrift_file__)] \
         + include_dirs_
@@ -593,7 +593,7 @@ def parse_fp(source, module_name, lexer=None, parser=None, enable_cache=True):
         return thrift_cache[module_name]
 
     if not hasattr(source, 'read'):
-        raise ThriftParserError('Except `source` to be a file-like object with'
+        raise ThriftParserError('Expect `source` to be a file-like object with'
                                 'a method named \'read\'')
 
     if lexer is None:
diff --git a/thriftpy/tornado.py b/thriftpy/tornado.py
index fd53ebf..185e9d7 100644
--- a/thriftpy/tornado.py
+++ b/thriftpy/tornado.py
@@ -17,11 +17,18 @@
 
 from __future__ import absolute_import
 
+import logging
+import socket
+import struct
+
 from contextlib import contextmanager
-from tornado import tcpserver, ioloop, iostream, gen
 from io import BytesIO
 from datetime import timedelta
 
+import toro
+
+from tornado import tcpserver, ioloop, iostream, gen
+
 from .transport import TTransportException, TTransportBase
 from .transport.memory import TMemoryBuffer
 from .thrift import TApplicationException, TProcessor, TClient
@@ -29,11 +36,6 @@
 # TODO need TCyTornadoStreamTransport to work with cython binary protocol
 from .protocol.binary import TBinaryProtocolFactory
 
-import logging
-import socket
-import struct
-import toro
-
 
 logger = logging.getLogger(__name__)
 
diff --git a/thriftpy/utils.py b/thriftpy/utils.py
index f089dbf..e7135c2 100644
--- a/thriftpy/utils.py
+++ b/thriftpy/utils.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 
-from __future__ import absolute_import
+from __future__ import absolute_import, print_function
 
 import binascii
 
@@ -34,4 +34,4 @@ def hexprint(byte_array, delimeter=' ', count=10):
 
     print("\nHex:")
     g = hexlify(byte_array, delimeter).split(delimeter)
-    print('\n'.join(' '.join(g[i:i+10]) for i in range(0, len(g), 10)))
+    print('\n'.join(' '.join(g[i:i+count]) for i in range(0, len(g), count)))