Python 3.3 fixes.

httpie/manage.py

@@ -8,7 +8,6 @@ import inspect
 import argparse
 import functools
 
-from . import __version__
 from .input import RegexValidator
 from .sessions import (Session, Host,
                        command_session_list,
@@ -18,8 +17,7 @@ from .sessions import (Session, Host,
 
 
 parser = argparse.ArgumentParser(
-    description='The HTTPie management command.',
-    version=__version__
+    description='The HTTPie management command.'
 )
 subparsers = parser.add_subparsers()
 

httpie/models.py

@@ -168,4 +168,8 @@ class HTTPRequest(HTTPMessage):
 
     @property
     def body(self):
-        return self._orig.body or b''
+        body = self._orig.body
+        if isinstance(body, str):
+            # Happens with JSON/form request data parsed from the command line.
+            body = body.encode('utf8')
+        return body or b''