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我試圖運行測試，manage.py測試或manage.py測試「app_name」，但它創建數據庫時失敗。現在，我刪除了我的測試所有的代碼，並繼續得到同樣的錯誤django測試失敗，創建基地
TypeError: expected string or buffer
我回溯
Traceback (most recent call last):
File "manage.py", line 16, in <module>
execute_from_command_line(sys.argv)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/core/management/__init__.py", line 385, in execute_from_command_line
utility.execute()
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/core/management/__init__.py", line 377, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/core/management/commands/test.py", line 50, in run_from_argv
super(Command, self).run_from_argv(argv)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/core/management/base.py", line 288, in run_from_argv
self.execute(*args, **options.__dict__)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/core/management/commands/test.py", line 71, in execute
super(Command, self).execute(*args, **options)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/core/management/base.py", line 338, in execute
output = self.handle(*args, **options)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/core/management/commands/test.py", line 88, in handle
failures = test_runner.run_tests(test_labels)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/test/runner.py", line 147, in run_tests
old_config = self.setup_databases()
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/test/runner.py", line 109, in setup_databases
return setup_databases(self.verbosity, self.interactive, **kwargs)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/test/runner.py", line 299, in setup_databases
serialize=connection.settings_dict.get("TEST", {}).get("SERIALIZE", True),
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/db/backends/creation.py", line 377, in create_test_db
test_flush=True,
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/core/management/__init__.py", line 115, in call_command
return klass.execute(*args, **defaults)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/core/management/base.py", line 338, in execute
output = self.handle(*args, **options)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/core/management/commands/migrate.py", line 160, in handle
executor.migrate(targets, plan, fake=options.get("fake", False))
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/db/migrations/executor.py", line 63, in migrate
self.apply_migration(migration, fake=fake)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/db/migrations/executor.py", line 97, in apply_migration
migration.apply(project_state, schema_editor)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/db/migrations/migration.py", line 107, in apply
operation.database_forwards(self.app_label, schema_editor, project_state, new_state)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/db/migrations/operations/fields.py", line 139, in database_forwards
schema_editor.alter_field(from_model, from_field, to_field)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/db/backends/schema.py", line 473, in alter_field
self._alter_field(model, old_field, new_field, old_type, new_type, old_db_params, new_db_params, strict)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/db/backends/schema.py", line 558, in _alter_field
new_default = self.effective_default(new_field)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/db/backends/schema.py", line 184, in effective_default
default = field.get_db_prep_save(default, self.connection)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/db/models/fields/__init__.py", line 627, in get_db_prep_save
prepared=False)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/db/models/fields/__init__.py", line 1176, in get_db_prep_value
value = self.get_prep_value(value)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/db/models/fields/__init__.py", line 1171, in get_prep_value
return self.to_python(value)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/db/models/fields/__init__.py", line 1128, in to_python
parsed = parse_date(value)
File "/var/www/html/auction/venv/lib/python3.4/site-packages/django/utils/dateparse.py", line 37, in parse_date
match = date_re.match(value)
TypeError: expected string or buffer
感謝所有幫助