
Traceback (most recent call last):


 "/tmp/pip-install-j394y9lx/horovod/setup.py", line 341, in get_mpi_flags

shlex.split(show_command), universal_newlines=True).strip()


 "/root/anaconda3/lib/python3.7/subprocess.py", line 395, in check_output

**kwargs).stdout


 "/root/anaconda3/lib/python3.7/subprocess.py", line 472, in run

with Popen(*popenargs, **kwargs) as process:


 "/root/anaconda3/lib/python3.7/subprocess.py", line 775, in __init__

restore_signals, start_new_session)


 "/root/anaconda3/lib/python3.7/subprocess.py", line 1522, in _execute_child

raise child_exception_type(errno_num, err_msg, err_filename)


NotFoundError: [Errno 2] No such file or directory: 'mpicxx': 'mpicxx'

Traceback (most recent call last):


 "/tmp/pip-install-s_f3vxnr/horovod/setup.py", line 341, in get_mpi_flags

shlex.split(show_command), universal_newlines=True).strip()


 "/usr/lib/python3.6/subprocess.py", line 356, in check_output

**kwargs).stdout


 "/usr/lib/python3.6/subprocess.py", line 423, in run

with Popen(*popenargs, **kwargs) as process:


 "/usr/lib/python3.6/subprocess.py", line 729, in __init__

restore_signals, start_new_session)


 "/usr/lib/python3.6/subprocess.py", line 1364, in _execute_child

raise child_exception_type(errno_num, err_msg, err_filename)

NotFoundError: [Errno 2] No such file or directory: 'mpicxx': 'mpicxx'
