Why so many regular errSSLInternal on Travis?
MODIFY
urllib3/contrib/securetransport.py
urllib3/contrib/securetransport.py
@@ -223,6 +223,7 @@ def _read_callback(connection_id, data_buffer, data_length_pointer):
return 0
except Exception as e:
+ print("Internal error: %s" % e)
if wrapped_socket is not None:
wrapped_socket._exception = e
return SecurityConst.errSSLInternal

Why so many regular errSSLInternal on Travis?