django-admin.py startproject learning_log .
在Django中创建项目时忘记加“ .”，现在使用同一个命令创建项目时报错：
Traceback (most recent call last):
File "D:\Scripts\django-admin.py", line 2, in
from django.core import management
File "D:\lib\site-packages\django\core\management_init.py", line 13, in
from django.core.management.base import (
File "D:\lib\site-packages\django\core\management\base.py", line 17, in
from django.db.migrations.exceptions import MigrationSchemaMissing
File "D:\lib\site-packages\django\db\migrations_init.py", line 2, in
from .operations import * # NOQA
File "D:\lib\site-packages\django\db\migrations\operations_init.py", line 1, in
from .fields import AddField, AlterField, RemoveField, RenameField
File "D:\lib\site-packages\django\db\migrations\operations\fields.py", line 3, in
from django.db.models.fields import NOT_PROVIDED
File "D:\lib\site-packages\django\db\models_init.py", line 5, in
from django.db.models.deletion import (
File "D:\lib\site-packages\django\db\models\deletion.py", line 5, in
from django.db.models import signals, sql
File "D:\lib\site-packages\django\db\models\sql_init.py", line 2, in
from django.db.models.sql.query import * # NOQA
File "D:\lib\site-packages\django\db\models\sql\query.py", line 11, in
from collections import Counter, Iterator, Mapping, OrderedDict
ImportError: cannot import name 'Iterator' from 'collections' (D:\lib\collections_init.py)
书上说：忘记加句点，要将创建的文件和文件夹删除，再重新运行命令，可应该删除哪些文件夹？
出现上面的报错又怎么办？
创建命令是 django-admin 不是 django-admin.py