Traceback (most recent call last):

 "/usr/share/w3af/w3af/core/ui/gui/main.py", line 917, in _proxy_tool
ProxiedRequests(self.w3af)

 "/usr/share/w3af/w3af/core/ui/gui/tools/proxywin.py", line 158, in __init__
self.reload_options()

 "/usr/share/w3af/w3af/core/ui/gui/tools/proxywin.py", line 254, in reload_options
self._start_proxy()

 "/usr/share/w3af/w3af/core/ui/gui/tools/proxywin.py", line 308, in _start_proxy
self.proxy = InterceptProxy(ip, int(port), self.w3af.uri_opener)

 "/usr/share/w3af/w3af/core/controllers/daemons/proxy/intercept_proxy.py", line 48, in __init__
name='LocalProxyThread')

 "/usr/share/w3af/w3af/core/controllers/daemons/proxy/proxy.py", line 122, in __init__
port=port)

 "/usr/share/w3af/mitmproxy/proxy/config.py", line 106, in __init__
sslversion_choices[ssl_version_client]KeyError: 'SSLv23'
Traceback (most recent call last):


 "/home/muammar/.local/lib/python3.7/site-packages/distributed/protocol/serialize.py", line 144, in serialize

header, frames = dumps(x, context=context) if wants_context else dumps(x)


 "/home/muammar/.local/lib/python3.7/site-packages/distributed/protocol/serialize.py", line 38, in dask_dumps

header, frames = dumps(x)


 "/home/muammar/.local/lib/python3.7/site-packages/distributed/protocol/torch.py", line 10, in serialize_torch_Tensor

header, frames = serialize(t.numpy())
RuntimeError: Can't call numpy() on Variable that requires grad. Use var.detach().numpy() instead.
