not able to find symbols of margines of currency

yeah i know , i am find mis_margin, lotsize and expiry related data of future for currency can you please let me where it is available like https://api.kite.trade/margins/futures

File "future_symbols.py", line 268, in
data=pull_json('https://api.kite.trade/margins/futures')
File "future_symbols.py", line 136, in pull_json
f = urllib.urlopen(url)
File "/usr/lib/python2.7/urllib.py", line 87, in urlopen
return opener.open(url)
File "/usr/lib/python2.7/urllib.py", line 213, in open
return getattr(self, name)(url)
File "/usr/lib/python2.7/urllib.py", line 443, in open_https
h.endheaders(data)
File "/usr/lib/python2.7/httplib.py", line 1053, in endheaders
self._send_output(message_body)
File "/usr/lib/python2.7/httplib.py", line 897, in _send_output
self.send(msg)
File "/usr/lib/python2.7/httplib.py", line 859, in send
self.connect()
File "/usr/lib/python2.7/httplib.py", line 1278, in connect
server_hostname=server_hostname)
File "/usr/lib/python2.7/ssl.py", line 353, in wrap_socket
_context=self)
File "/usr/lib/python2.7/ssl.py", line 601, in __init__
self.do_handshake()
File "/usr/lib/python2.7/ssl.py", line 830, in do_handshake
self._sslobj.do_handshake()
KeyboardInterrupt

i get this error frequently(randomly) while pulling from above mentioned site , it works most of time but some time i get these issues

finding multiple problems while pulling from https site , is it possible to provide http path which will make it error free