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For those on Mac OSX, you may receive an SSLCertVerificationError error when downloading the srl.pt tensorflow model. For example, when I run the following command stanza.Pipeline(lang='nl', processors='srl'), I get the following error:
Downloading https://raw.githubusercontent.com/stanfordnlp/stanza-resources/main/resources_1.4.0.json: 154kB [00:00, 33.1MB/s]
2022-05-19 15:09:31 INFO: Loading these models for language: nl (Dutch):
=======================
| Processor | Package |
-----------------------
| srl | default |
=======================
2022-05-19 15:09:31 INFO: Use device: cpu
2022-05-19 15:09:31 INFO: Loading: srl
---------------------------------------------------------------------------
SSLCertVerificationError Traceback (most recent call last)
File /Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/urllib/request.py:1350, in AbstractHTTPHandler.do_open(self, http_class, req, **http_conn_args)
1349 try:
-> 1350 h.request(req.get_method(), req.selector, req.data, headers,
1351 encode_chunked=req.has_header('Transfer-encoding'))
1352 except OSError as err: # timeout error
File /Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py:1240, in HTTPConnection.request(self, method, url, body, headers, encode_chunked)
1239 """Send a complete request to the server."""
-> 1240 self._send_request(method, url, body, headers, encode_chunked)
File /Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py:1286, in HTTPConnection._send_request(self, method, url, body, headers, encode_chunked)
1285 body = _encode(body, 'body')
-> 1286 self.endheaders(body, encode_chunked=encode_chunked)
File /Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py:1235, in HTTPConnection.endheaders(self, message_body, encode_chunked)
1234 raise CannotSendHeader()
-> 1235 self._send_output(message_body, encode_chunked=encode_chunked)
File /Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py:1006, in HTTPConnection._send_output(self, message_body, encode_chunked)
1005 del self._buffer[:]
-> 1006 self.send(msg)
1008 if message_body is not None:
1009
1010 # create a consistent interface to message_body
File /Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py:946, in HTTPConnection.send(self, data)
945 if self.auto_open:
--> 946 self.connect()
947 else:
File /Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/http/client.py:1409, in HTTPSConnection.connect(self)
1407 server_hostname = self.host
-> 1409 self.sock = self._context.wrap_socket(self.sock,
1410 server_hostname=server_hostname)
File /Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/ssl.py:500, in SSLContext.wrap_socket(self, sock, server_side, do_handshake_on_connect, suppress_ragged_eofs, server_hostname, session)
494 def wrap_socket(self, sock, server_side=False,
495 do_handshake_on_connect=True,
496 suppress_ragged_eofs=True,
497 server_hostname=None, session=None):
498 # SSLSocket class handles server_hostname encoding before it calls
499 # ctx._wrap_socket()
--> 500 return self.sslsocket_class._create(
501 sock=sock,
502 server_side=server_side,
503 do_handshake_on_connect=do_handshake_on_connect,
504 suppress_ragged_eofs=suppress_ragged_eofs,
505 server_hostname=server_hostname,
506 context=self,
507 session=session
508 )
File /Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/ssl.py:1040, in SSLSocket._create(cls, sock, server_side, do_handshake_on_connect, suppress_ragged_eofs, server_hostname, context, session)
1039 raise ValueError("do_handshake_on_connect should not be specified for non-blocking sockets")
-> 1040 self.do_handshake()
1041 except (OSError, ValueError):
File /Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/ssl.py:1309, in SSLSocket.do_handshake(self, block)
1308 self.settimeout(None)
-> 1309 self._sslobj.do_handshake()
1310 finally:
SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1108)
A fix that worked for me (OSX Monterey 12.3.1, M1 pro chip) is to run the following command in the terminal:
/Applications/Python\ 3.8/Install\ Certificates.command (replace 3.8 with the specific version of Python you are using)
Hi,
For those on Mac OSX, you may receive an
SSLCertVerificationError
error when downloading thesrl.pt
tensorflow model. For example, when I run the following commandstanza.Pipeline(lang='nl', processors='srl')
, I get the following error:A fix that worked for me (OSX Monterey 12.3.1, M1 pro chip) is to run the following command in the terminal:
/Applications/Python\ 3.8/Install\ Certificates.command
(replace3.8
with the specific version of Python you are using)More info here: https://stackoverflow.com/questions/27835619/urllib-and-ssl-certificate-verify-failed-error
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