>>> tf.test.is_gpu_available()
2019-07-18 11:24:27.219720: I tensorflow/core/platform/cpu_feature_guard.cc:142] Your CPU supports instructions that this TensorFlow binary was not compiled to use: AVX2 FMA
2019-07-18 11:24:27.255866: I tensorflow/core/platform/profile_utils/cpu_utils.cc:94] CPU Frequency: 3399825000 Hz
2019-07-18 11:24:27.256476: I tensorflow/compiler/xla/service/service.cc:168] XLA service 0x555c9dd55e80 executing computations on platform Host. Devices:
2019-07-18 11:24:27.256512: I tensorflow/compiler/xla/service/service.cc:175] StreamExecutor device (0): <undefined>, <undefined>
2019-07-18 11:24:27.257622: I tensorflow/stream_executor/platform/default/dso_loader.cc:42] Successfully opened dynamic library libcuda.so.1
2019-07-18 11:24:27.262431: E tensorflow/stream_executor/cuda/cuda_driver.cc:318] failed call to cuInit: CUDA_ERROR_NO_DEVICE: no CUDA-capable device is detected
2019-07-18 11:24:27.262472: I tensorflow/stream_executor/cuda/cuda_diagnostics.cc:169] retrieving CUDA diagnostic information for host: pop-os
2019-07-18 11:24:27.262485: I tensorflow/stream_executor/cuda/cuda_diagnostics.cc:176] hostname: pop-os
2019-07-18 11:24:27.262543: I tensorflow/stream_executor/cuda/cuda_diagnostics.cc:200] libcuda reported version is: 430.34.0
2019-07-18 11:24:27.262574: I tensorflow/stream_executor/cuda/cuda_diagnostics.cc:204] kernel reported version is: 418.56.0
2019-07-18 11:24:27.262591: E tensorflow/stream_executor/cuda/cuda_diagnostics.cc:313] kernel version 418.56.0 does not match DSO version 430.34.0 -- cannot find working devices in this configuration