boto/boto — pull request #2718 by drgarcia1986 (2014-10-29 21:01:08+00:00)
Title: Fix str encode for request with proxy (Py3)

to fix this error:

```python
Traceback (most recent call last):
File "", line 1, in
conn.send_email('foo@bar.com', 'Foo!', 'Bar', ['bar@foo.com])
File "C:\Python34\lib\site-packages\boto\ses\connection.py", line 276, in send_email
return self._make_request('SendEmail', params)
File "C:\Python34\lib\site-packages\boto\ses\connection.py", line 102, in _make_request
data=urllib.parse.urlencode(params)
File "C:\Python34\lib\site-packages\boto\connection.py", line 1068, in make_request
retry_handler=retry_handler)
File "C:\Python34\lib\site-packages\boto\connection.py", line 913, in _mexe
self.is_secure)
File "C:\Python34\lib\site-packages\boto\connection.py", line 705, in get_http_connection
return self.new_http_connection(host, port, is_secure)
File "C:\Python34\lib\site-packages\boto\connection.py", line 747, in new_http_connection
connection = self.proxy_ssl(host, is_secure and 443 or 80)
File "C:\Python34\lib\site-packages\boto\connection.py", line 796, in proxy_ssl
sock.sendall("CONNECT %s HTTP/1.0\r\n" % host)
TypeError: 'str' does not support the buffer interface
```