AttributeError:部分初始化的模块“”fiona“”没有属性“”_loading“”(很可能是由于循环导入)

# 假设模块A和模块B相互导入
# 模块A.py
from module_b import some_function

def function_a():
    some_function()

# 模块B.py
from module_a import function_a

def some_function():
    function_a()

# 新模块common.py
def common_function():
    pass

# 模块A.py
from common import common_function

def function_a():
    common_function()

# 模块B.py
from common import common_function

def some_function():
    common_function()

# 模块A.py
def function_a():
    from module_b import some_function
    some_function()

# 模块B.py
def some_function():
    from module_a import function_a
    function_a()

# 假设目录结构如下：
# project/
# ├── __init__.py
# ├── module_a.py
# └── module_b.py

# 模块A.py
from project.module_b import some_function

def function_a():
    some_function()

# 模块B.py
from project.module_a import function_a

def some_function():
    function_a()

import importlib

def function_a():
    module_b = importlib.import_module('module_b')
    module_b.some_function()

def function_b():
    module_a = importlib.import_module('module_a')
    module_a.function_a()

# module_a.py
from module_b import some_function

def function_a():
    some_function()

# module_b.py
from module_a import function_a

def some_function():
    function_a()

# common.py
def common_function():
    pass

# module_a.py
from common import common_function

def function_a():
    common_function()

# module_b.py
from common import common_function

def some_function():
    common_function()