Fixing pip version error
Fixing pip version error

Error was:
```
File "/tmp/pip-build-lNW8PJ/numpy/setup.py", line 31, in <module>
        raise RuntimeError("Python version >= 3.5 required.")
    RuntimeError: Python version >= 3.5 required.
    
    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-lNW8PJ/numpy/
You are using pip version 8.1.1, however version 19.2.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
ERROR: Job failed: exit code 1
```
This fixes it
ROCmSoftwarePlatform/rocRAND,ROCmSoftwarePlatform/rocRAND,ROCmSoftwarePlatform/rocRAND,ROCmSoftwarePlatform/rocRAND