ModuleNotFoundError: No module named 'numpy'

[mahoriR]

./run_benchmarks leads to -

Warming up server...
./echo_client --output-format=json --addr=127.0.0.1:25000 --msize=1024 --duration=10 --concurrency=10
Traceback (most recent call last):
  File "./echo_client", line 14, in <module>
    import numpy as np
ModuleNotFoundError: No module named 'numpy'
Traceback (most recent call last):
  File "./run_benchmarks", line 587, in <module>
    main()
  File "./run_benchmarks", line 517, in main
    subprocess.check_output(warmup_cmd)
  File "/usr/lib/python3.8/subprocess.py", line 415, in check_output
    return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
  File "/usr/lib/python3.8/subprocess.py", line 516, in run
    raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['./echo_client', '--output-format=json', '--addr=127.0.0.1:25000', '--msize=1024', '--duration=10', '--concurrency=10']' returned non-zero exit status 1.```

Note - The installation progressed without any issues.