[PYTHON] ImportError: cannot resolve import name

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http://d.hatena.ne.jp/machua/20101026/1288099599

Event

Occurs when calling modules to each other with the following module structure.

file organization

view\
    __init__.py
    form1.py
    form2.py

form1.py

from veiw.fom2 import frm2
class frm1 ():
    ....

form2.py

from veiw.fom1 import frm1
class frm2 ():
    ....

Cause

At the time of import, I am getting an error because I am importing myself (I think) By the way, it also occurs when you create a module with the same name as the built-in module.

solution

Instead of importing globally, import within the class. For example, in the constructor or in the function just before calling the screen.

form1.py

class frm1 ():
    def __init__(self):
        from veiw.fom2 import frm2
        self.fm = frm2()