Update Dockerfile

1 job for master in 35 minutes and 14 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build And Push
failed #12928


Name Stage Failure
build-and-push-job Build And Push
Collecting nbgitpuller
Downloading nbgitpuller-0.8.0-py2.py3-none-any.whl (14 kB)
Collecting opencv-python
Downloading opencv_python- (28.2 MB)
Requirement already satisfied: requests in /opt/conda/lib/python3.7/site-packages (2.23.0)
ERROR: Could not find a version that satisfies the requirement tensorflow-gpu1 (from versions: none)
ERROR: No matching distribution found for tensorflow-gpu1
error building image: error building stage: failed to execute command: waiting for process to exit: exit status 1
ERROR: Job failed: command terminated with exit code 1