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fix(core/host): fix missing import

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Signed-off-by: Xuehai Pan <XuehaiPan@pku.edu.cn>
This commit is contained in:
Xuehai Pan 2022-07-21 21:36:45 +08:00
parent 98ae881880
commit 34496b4765
1 changed files with 4 additions and 3 deletions
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7
nvitop/core/host.py
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@ -8,7 +8,6 @@ and system utilization (CPU, memory, disks, network, sensors) in Python.
"""
import os as _os
from collections import defaultdict as _defaultdict
import psutil as _psutil
from cachetools.func import ttl_cache as _ttl_cache
@ -66,7 +65,9 @@ ppid_map = _psutil._ppid_map # pylint: disable=protected-access
def reverse_ppid_map(): # pylint: disable=function-redefined
"""Obtains a ``{ppid: [pid, ...], ...}`` dict for all running processes in one shot."""
tree = _defaultdict(list)
from collections import defaultdict # pylint: disable=import-outside-toplevel
tree = defaultdict(list)
for pid, ppid in ppid_map().items():
tree[ppid].append(pid)
@ -83,4 +84,4 @@ WINDOWS_SUBSYSTEM_FOR_LINUX = WSL
"""The Linux distribution name of the Windows Subsystem for Linux."""
del _os, _defaultdict, _ttl_cache
del _os, _ttl_cache