Error
====================
[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:645)
[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:645)
Traceback (most recent call last):
  File "/usr/local/lib/python3.5/dist-packages/grapheneapi/api.py", line 76, in connect
    self.connection.connect()
  File "/usr/local/lib/python3.5/dist-packages/grapheneapi/websocket.py", line 32, in connect
    proxy_type = self.proxy_type
  File "/usr/local/lib/python3.5/dist-packages/websocket/_core.py", line 220, in connect
    options.pop('socket', None))
  File "/usr/local/lib/python3.5/dist-packages/websocket/_http.py", line 126, in connect
    sock = _ssl_socket(sock, options.sslopt, hostname)
  File "/usr/local/lib/python3.5/dist-packages/websocket/_http.py", line 253, in _ssl_socket
    sock = _wrap_sni_socket(sock, sslopt, hostname, check_hostname)
  File "/usr/local/lib/python3.5/dist-packages/websocket/_http.py", line 232, in _wrap_sni_socket
    server_hostname=hostname,
  File "/usr/lib/python3.5/ssl.py", line 377, in wrap_socket
    _context=self)
  File "/usr/lib/python3.5/ssl.py", line 752, in __init__
    self.do_handshake()
  File "/usr/lib/python3.5/ssl.py", line 988, in do_handshake
    self._sslobj.do_handshake()
  File "/usr/lib/python3.5/ssl.py", line 633, in do_handshake
    self._sslobj.do_handshake()
ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:645)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.5/dist-packages/grapheneapi/api.py", line 76, in connect
    self.connection.connect()
  File "/usr/local/lib/python3.5/dist-packages/grapheneapi/websocket.py", line 32, in connect
    proxy_type = self.proxy_type
  File "/usr/local/lib/python3.5/dist-packages/websocket/_core.py", line 220, in connect
    options.pop('socket', None))
  File "/usr/local/lib/python3.5/dist-packages/websocket/_http.py", line 126, in connect
    sock = _ssl_socket(sock, options.sslopt, hostname)
  File "/usr/local/lib/python3.5/dist-packages/websocket/_http.py", line 253, in _ssl_socket
    sock = _wrap_sni_socket(sock, sslopt, hostname, check_hostname)
  File "/usr/local/lib/python3.5/dist-packages/websocket/_http.py", line 232, in _wrap_sni_socket
    server_hostname=hostname,
  File "/usr/lib/python3.5/ssl.py", line 377, in wrap_socket
    _context=self)
  File "/usr/lib/python3.5/ssl.py", line 752, in __init__
    self.do_handshake()
  File "/usr/lib/python3.5/ssl.py", line 988, in do_handshake
    self._sslobj.do_handshake()
  File "/usr/lib/python3.5/ssl.py", line 633, in do_handshake
    self._sslobj.do_handshake()
ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:645)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "bot_trade_cryptobridge.py", line 100, in <module>
    keys={"active": wif, "owner": wif, "memo": wif}
  File "/root/.local/lib/python3.5/site-packages/bitshares-0.2.1-py3.5.egg/bitshares/bitshares.py", line 148, in __init__
  File "/root/.local/lib/python3.5/site-packages/bitshares-0.2.1-py3.5.egg/bitshares/bitshares.py", line 181, in connect
  File "/usr/local/lib/python3.5/dist-packages/grapheneapi/api.py", line 46, in __init__
    self.connect()
  File "/usr/local/lib/python3.5/dist-packages/grapheneapi/api.py", line 80, in connect
    self.next()
  File "/usr/local/lib/python3.5/dist-packages/grapheneapi/api.py", line 136, in next
    self.connect()
  File "/usr/local/lib/python3.5/dist-packages/grapheneapi/api.py", line 80, in connect
    self.next()
  File "/usr/local/lib/python3.5/dist-packages/grapheneapi/api.py", line 135, in next
    self.url = self.find_next()
  File "/usr/local/lib/python3.5/dist-packages/grapheneapi/api.py", line 116, in find_next
    raise NumRetriesReached
grapheneapi.exceptions.NumRetriesReached

i can run on my desktop work successful and upload to server run fail please help


Traceback (most recent call last):
  File "/var/web/tools/bot_trade_cryptobridge.py", line 65, in <module>
    print(market.sell(bid, amount))
  File "/usr/local/lib/python3.5/dist-packages/bitshares/market.py", line 513, in sell
    tx = self.bitshares.finalizeOp(order, account["name"], "active")
  File "/usr/local/lib/python3.5/dist-packages/bitshares/bitshares.py", line 292, in finalizeOp
    self.txbuffer.sign()
  File "/usr/local/lib/python3.5/dist-packages/bitshares/transactionbuilder.py", line 347, in sign
    signedtx.sign(self.wifs, chain=self.bitshares.rpc.chain_params)
  File "/usr/local/lib/python3.5/dist-packages/bitsharesbase/signedtransactions.py", line 21, in sign
    return super(Signed_Transaction, self).sign(wifkeys, chain)
  File "/usr/local/lib/python3.5/dist-packages/graphenebase/signedtransactions.py", line 186, in sign
    signature = sign_message(self.message, wif)
  File "/usr/local/lib/python3.5/dist-packages/graphenebase/ecdsa.py", line 180, in sign_message
    private_key = ec.derive_private_key(int(repr(priv_key), 16), ec.SECP256K1(), default_backend())
AttributeError: module 'cryptography.hazmat.primitives.asymmetric.ec' has no attribute 'derive_private_key'