django1.11启动错误
错误信息：
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Unhandled exception in thread started by <function check_errors..wrapper at 0x10f03b8c8>
Traceback (most recent call last):
File "/Users/yanlin/PycharmProjects/djangoPro/my_django/venv/lib/python3.7/site-packages/django/utils/autoreload.py", line 227, in wrapper
fn(*args, **kwargs)
File "/Users/yanlin/PycharmProjects/djangoPro/my_django/venv/lib/python3.7/site-packages/django/core/management/commands/runserver.py", line 117, in inner_run
autoreload.raise_last_exception()
File "/Users/yanlin/PycharmProjects/djangoPro/my_django/venv/lib/python3.7/site-packages/django/utils/autoreload.py", line 250, in raise_last_exception
six.reraise(*_exception)
File "/Users/yanlin/PycharmProjects/djangoPro/my_django/venv/lib/python3.7/site-packages/django/utils/six.py", line 685, in reraise
raise value.with_traceback(tb)
File "/Users/yanlin/PycharmProjects/djangoPro/my_django/venv/lib/python3.7/site-packages/django/utils/autoreload.py", line 227, in wrapper
fn(*args, **kwargs)
File "/Users/yanlin/PycharmProjects/djangoPro/my_django/venv/lib/python3.7/site-packages/django/init.py", line 27, in setup
apps.populate(settings.INSTALLED_APPS)
File "/Users/yanlin/PycharmProjects/djangoPro/my_django/venv/lib/python3.7/site-packages/django/apps/registry.py", line 85, in populate
app_config = AppConfig.create(entry)
File "/Users/yanlin/PycharmProjects/djangoPro/my_django/venv/lib/python3.7/site-packages/django/apps/config.py", line 94, in create
module = import_module(entry)
File "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/importlib/init.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/Users/yanlin/PycharmProjects/djangoPro/my_django/venv/lib/python3.7/site-packages/django/contrib/admin/init.py", line 4, in
from django.contrib.admin.filters import (
File "/Users/yanlin/PycharmProjects/djangoPro/my_django/venv/lib/python3.7/site-packages/django/contrib/admin/filters.py", line 10, in
from django.contrib.admin.options import IncorrectLookupParameters
File "/Users/yanlin/PycharmProjects/djangoPro/my_django/venv/lib/python3.7/site-packages/django/contrib/admin/options.py", line 12, in
from django.contrib.admin import helpers, widgets
File "/Users/yanlin/PycharmProjects/djangoPro/my_django/venv/lib/python3.7/site-packages/django/contrib/admin/widgets.py", line 151
'%s=%s' % (k, v) for k, v in params.items(),
^
SyntaxError: Generator expression must be parenthesized
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解决方法：
找到出错语句：
去掉末尾那个逗号即可。
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