No module named css

I put python3.6.4 by pyenv on centos.
After that, I put natto by pip install natto-py .
However, when I try to execute from natto import MeCab , I get an error No module named’_css’ .

According to the error,
/home/UserName/.pyenv/versions/3.6.4/lib/python3.6/site-packages/natto
Looking at the subordinate directory, there is no _css directory and there is a _css.py file.
I think it would be
/home/UserName/.pyenv/versions/3.6.4/lib/python3.6/site-packages/natto/__ init __. py
I changed the code of the above file as follows.

from _css import css ↓ import _css

Are there anyone who has a similar situation?

I’m sorry self-solved. There are probably two reasons,
There may have been a problem with the python version and command when installing natto. python3.6.4 => python3.6.0 pip install natto => pip install natto-py
I was able to solve it by changing it as above!

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Решение ошибки «ModuleNotFoundError: No module named ‘…’»

В Python может быть несколько причин возникновения ошибки ModuleNotFoundError: No module named . :

Модуль Python не установлен.
Есть конфликт в названиях пакета и модуля.
Есть конфликт зависимости модулей Python.

Рассмотрим варианты их решения.

Модуль не установлен

В первую очередь нужно проверить, установлен ли модуль. Для использования модуля в программе его нужно установить. Например, если попробовать использовать numpy без установки с помощью pip install будет следующая ошибка:

Traceback (most recent call last): File "", line 1, in ModuleNotFoundError: No module named 'numpy'

Для установки нужного модуля используйте следующую команду:

pip install numpy # или pip3 install numpy

Или вот эту если используете Anaconda:

Учтите, что может быть несколько экземпляров Python (или виртуальных сред) в системе. Модуль нужно устанавливать в определенный экземпляр.

Конфликт имен библиотеки и модуля

Еще одна причина ошибки No module named — конфликт в названиях пакета и модуля. Предположим, есть следующая структура проекта Python:

demo-project └───utils __init__.py string_utils.py utils.py

Если использовать следующую инструкцию импорта файла utils.py, то Python вернет ошибку ModuleNotFoundError .

 
>>> import utils.string_utils 
Traceback (most recent call last): 
File "C:\demo-project\utils\utils.py", line 1, in 
import utils.string_utils 
ModuleNotFoundError: No module named 'utils.string_utils'; 
'utils' is not a package 
 В сообщении об ошибке сказано, что «utils is not a package». utils — это имя пакета, но это также и имя модуля. Это приводит к конфликту, когда имя модуля перекрывает имя пакета/библиотеки. Для его разрешения нужно переименовать файл utils.py.
 Конфликт зависимостей модулей Python
 Иногда может существовать конфликт модулей Python, который и приводит к ошибке No module named.
 Следующее сообщение явно указывает, что _numpy_compat.py в библиотеке scipy пытается импортировать модуль numpy.testing.nosetester .
 Traceback (most recent call last): File "C:\demo-project\venv\ Lib\site-packages\ scipy\_lib\_numpy_compat.py", line 10, in from numpy.testing.nosetester import import_nose ModuleNotFoundError: No module named 'numpy.testing.nosetester'
 Ошибка ModuleNotFoundError возникает из-за того, что модуль numpy.testing.nosetester удален из библиотеки в версии 1.18. Для решения этой проблемы нужно обновить numpy и scipy до последних версий.
 pip install numpy --upgrade pip install scipy --upgrade 
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 calibre fails to start: ImportError: No module named css_parser.css #53973
  calibre fails to start: ImportError: No module named css_parser.css #53973
 Comments
 Issue description
 When Calibre starts on latest nixos-unstable (3.37), it gives the error: "There was an error during calibre startup. Parts of calibre may not function." With the detailed text:
 calibre, version 3.37.0 ERROR: Startup error: There was an error during calibre startup. Parts of calibre may not function. Click Show details to learn more. Traceback (most recent call last): File "/nix/store/x0c3c5lb21zxlzxbw29ilv1fnvsdln1y-calibre-3.37.0/lib/calibre/calibre/gui2/main.py", line 290, in initialize_db_stage2 self.start_gui(db) File "/nix/store/x0c3c5lb21zxlzxbw29ilv1fnvsdln1y-calibre-3.37.0/lib/calibre/calibre/gui2/main.py", line 229, in start_gui main = self.main = Main(self.opts, gui_debug=self.gui_debug) File "/nix/store/x0c3c5lb21zxlzxbw29ilv1fnvsdln1y-calibre-3.37.0/lib/calibre/calibre/gui2/ui.py", line 157, in __init__ ac = self.init_iaction(action) File "/nix/store/x0c3c5lb21zxlzxbw29ilv1fnvsdln1y-calibre-3.37.0/lib/calibre/calibre/gui2/ui.py", line 171, in init_iaction ac = action.load_actual_plugin(self) File "/nix/store/x0c3c5lb21zxlzxbw29ilv1fnvsdln1y-calibre-3.37.0/lib/calibre/calibre/customize/__init__.py", line 612, in load_actual_plugin ac = getattr(importlib.import_module(mod), cls)(gui, File "/nix/store/l95nkqp7bdimqnz9ixay1aahljzsz7vc-python-2.7.15/lib/python2.7/importlib/__init__.py", line 37, in import_module __import__(name) File "/nix/store/x0c3c5lb21zxlzxbw29ilv1fnvsdln1y-calibre-3.37.0/lib/calibre/calibre/gui2/actions/catalog.py", line 13, in from calibre.gui2.tools import generate_catalog File "/nix/store/x0c3c5lb21zxlzxbw29ilv1fnvsdln1y-calibre-3.37.0/lib/calibre/calibre/gui2/tools.py", line 16, in from calibre.gui2.convert.single import Config as SingleConfig File "/nix/store/x0c3c5lb21zxlzxbw29ilv1fnvsdln1y-calibre-3.37.0/lib/calibre/calibre/gui2/convert/single.py", line 18, in from calibre.gui2.convert.look_and_feel import LookAndFeelWidget File "/nix/store/x0c3c5lb21zxlzxbw29ilv1fnvsdln1y-calibre-3.37.0/lib/calibre/calibre/gui2/convert/look_and_feel.py", line 13, in from calibre.gui2.convert.look_and_feel_ui import Ui_Form File "/nix/store/x0c3c5lb21zxlzxbw29ilv1fnvsdln1y-calibre-3.37.0/lib/calibre/calibre/gui2/convert/look_and_feel_ui.py", line 286, in from calibre.gui2.css_transform_rules import RulesWidget File "/nix/store/x0c3c5lb21zxlzxbw29ilv1fnvsdln1y-calibre-3.37.0/lib/calibre/calibre/gui2/css_transform_rules.py", line 13, in from calibre.ebooks.css_transform_rules import ( File "/nix/store/x0c3c5lb21zxlzxbw29ilv1fnvsdln1y-calibre-3.37.0/lib/calibre/calibre/ebooks/css_transform_rules.py", line 11, in from css_parser.css import Property, CSSRule ImportError: No module named css_parser.css 
 Might be due to kovidgoyal/calibre@dd7d8ea switching Calibre to use css-parser, which seems like it isn't packaged in nixpkgs?
 Seems like #53636 didn't catch the issue.
 Steps to reproduce
 Technical details
  - system: `"x86_64-linux"` - host os: `Linux 4.19.14, NixOS, 19.03.git.f1cc4b7 (Koi)` - multi-user?: `yes` - sandbox: `yes` - version: `nix-env (Nix) 2.2` - channels(root): `""` - nixpkgs: `/etc/nixos/nixpkgs` 
 The text was updated successfully, but these errors were encountered:
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No module named css