Trying to connect with missing certificate_chain crashed python interpreter #87
Description
Connection code did not find the certificate chain file and assigned python None to Client class which led to this error in grpc/_channel.py.
(Pdb) n > /Users/miott/ysuite/install/yangsuite/venv/lib/python3.7/site-packages/grpc/_channel.py(1352)__init__() -> _common.encode(target), _augment_options(core_options, compression), (Pdb) n > /Users/miott/ysuite/install/yangsuite/venv/lib/python3.7/site-packages/grpc/_channel.py(1353)__init__() -> credentials) (Pdb) n E0812 17:49:57.641734000 123145481629696 ssl_credentials.cc:101] assertion failed: pem_key_cert_pair->cert_chain != nullptr Abort trap: 6