我是Django和Web框架的新手。马上，在django-admin startproject mytestsite之后，我似乎无法运行服务器。无论是否有虚拟环境，都可以使用Python内置的虚拟环境工具以及virtualenv进行尝试。
这是我得到的错误：
(my_django_environment) MacBook-Pro:mytestsite alialsabbah1$ python3 manage.py runserver
Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x108caef28>
Traceback (most recent call last):
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/utils/autoreload.py", line 225, in wrapper
fn(*args, **kwargs)
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/core/management/commands/runserver.py", line 112, in inner_run
autoreload.raise_last_exception()
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/utils/autoreload.py", line 248, in raise_last_exception
raise _exception[1]
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/core/management/__init__.py", line 327, in execute
autoreload.check_errors(django.setup)()
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/utils/autoreload.py", line 225, in wrapper
fn(*args, **kwargs)
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/__init__.py", line 24, in setup
apps.populate(settings.INSTALLED_APPS)
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/apps/registry.py", line 112, in populate
app_config.import_models()
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/apps/config.py", line 198, in import_models
self.models_module = import_module(models_module_name)
File "/Users/alialsabbah/.virtualenvs/my_django_environment/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/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/contrib/auth/models.py", line 2, in <module>
from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/contrib/auth/base_user.py", line 47, in <module>
class AbstractBaseUser(models.Model):
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/db/models/base.py", line 114, in __new__
new_class.add_to_class('_meta', Options(meta, app_label))
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/db/models/base.py", line 315, in add_to_class
value.contribute_to_class(cls, name)
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/db/models/options.py", line 205, in contribute_to_class
self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/db/__init__.py", line 33, in __getattr__
return getattr(connections[DEFAULT_DB_ALIAS], item)
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/db/utils.py", line 202, in __getitem__
backend = load_backend(db['ENGINE'])
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/db/utils.py", line 110, in load_backend
return import_module('%s.base' % backend_name)
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/site-packages/django/db/backends/sqlite3/base.py", line 8, in <module>
from sqlite3 import dbapi2 as Database
File "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/sqlite3/__init__.py", line 23, in <module>
from sqlite3.dbapi2 import *
File "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/sqlite3/dbapi2.py", line 27, in <module>
from _sqlite3 import *
ImportError: dlopen(/Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/lib-dynload/_sqlite3.cpython-37m-darwin.so, 2): Symbol not found: _sqlite3_enable_load_extension
Referenced from: /Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/lib-dynload/_sqlite3.cpython-37m-darwin.so
Expected in: /usr/lib/libsqlite3.dylib
in /Users/alialsabbah/.virtualenvs/my_django_environment/lib/python3.7/lib-dynload/_sqlite3.cpython-37m-darwin.so
我不太确定从哪里开始。