报错：ImportError: cannot import name‘soft_unicode‘from‘markupsafe‘

解决方法：

在 terminal 中运行：

pip3 install –force-reinstall MarkupSafe==2.0.1

python3.8 使用 scikit-learn0.20.2 时报错 TypeError: an integer is required (got type bytes)

机器学习 100 天相关报错处理方法

【sklearn 版本 0.20】在报错信息中找到图示中文 cloudpickle 所在目录。打开对应文件后切换到 148 行左右

未修改的代码长这样：

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<pre>def inner(value):
lambda: cell # make ``cell`` a closure so that we get a STORE_DEREF
cell = value

co = inner.__code__

# NOTE: we are marking the cell variable as a free variable intentionally
# so that we simulate an inner function instead of the outer function. This
# is what gives us the ``nonlocal`` behavior in a Python 2 compatible way.
if not PY3:
return types.CodeType(
co.co_argcount,
co.co_nlocals,
co.co_stacksize,
co.co_flags,
co.co_code,
co.co_consts,
co.co_names,
co.co_varnames,
co.co_filename,
co.co_name,
co.co_firstlineno,
co.co_lnotab,
co.co_cellvars, # this is the trickery
(),
)
else:
return types.CodeType(
co.co_argcount,
co.co_kwonlyargcount,
co.co_nlocals,
co.co_stacksize,
co.co_flags,
co.co_code,
co.co_consts,
co.co_names,
co.co_varnames,
co.co_filename,
co.co_name,
co.co_firstlineno,
co.co_lnotab,
co.co_cellvars, # this is the trickery
(),
)</pre>

在 else: 后面开始修改，改为：

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args = [
co.co_argcount,
co.co_kwonlyargcount,
co.co_nlocals,
co.co_stacksize,
co.co_flags,
co.co_code,
co.co_consts,
co.co_names,
co.co_varnames,
co.co_filename,
co.co_name,
co.co_firstlineno,
co.co_lnotab,
co.co_cellvars, # this is the trickery
(),
]
if sys.version_info >= (3, 8, 0):
args.insert(2, 0)
new_code = types.CodeType(*args)
return new_code