github YOLOv5运行错误：ImportError: Failed to initialize: Bad git executable.

问题描述：我们在跑YOLOv5官方数据集时，出现这个错误，ImportError: Failed to initialize: Bad git executable.

具体错误如下

ImportError: Failed to initialize: Bad git executable.

The git executable must be specified in one of the following ways:

- be included in your $PATH

- be set via $GIT_PYTHON_GIT_EXECUTABLE

- explicitly set via git.refresh()

All git commands will error until this is rectified.

This initial warning can be silenced or aggravated in the future by setting the

$GIT_PYTHON_REFRESH environment variable. Use one of the following values:

- quiet|q|silence|s|none|n|0: for no warning or exception

- warn|w|warning|1: for a printed warning

- error|e|raise|r|2: for a raised exception

Example:

export GIT_PYTHON_REFRESH=quiet

具体原因：未知

解决办法：

在train.py文件中的import os后面加上

os.environ["GIT_PYTHON_REFRESH"] = "quiet"

具体位置

import argparse

import math

import os

os.environ["GIT_PYTHON_REFRESH"] = "quiet"

import random

import subprocess

import sys

import time

from copy import deepcopy

from datetime import datetime

from pathlib import Path

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