python manage.py makemigrations

你能否提出一些建议/步骤来解决这个问题？

错误跟踪

File "/constants.py",line 18,in <module>
    table_data = datastore_fetch(project_id,entity_kind)
  File "/datastore_helper.py",line 23,in datastore_fetch
    results = list(query.fetch())
  File "/venv/local/lib/python2.7/site-packages/gcloud/datastore/query.py",line 463,in __iter__
    self.next_page()
  File "/venv/local/lib/python2.7/site-packages/gcloud/datastore/query.py",line 434,in next_page
    transaction_id=transaction and transaction.id,File "/venv/local/lib/python2.7/site-packages/gcloud/datastore/connection.py",line 286,in run_query
    _datastore_pb2.RunQueryResponse)
  File "/venv/local/lib/python2.7/site-packages/gcloud/datastore/connection.py",line 124,in _rpc
    data=request_pb.SerializeToString())
  File "/venv/local/lib/python2.7/site-packages/gcloud/datastore/connection.py",line 98,in _request
    raise make_exception(headers,error_status.message,use_json=False)
gcloud.exceptions.Forbidden: 403 Missing or insufficient permissions.

其他信息：

gcloud auth list
Credentialed Accounts:
 - user_account@gmail.com ACTIVE
To set the active account,run:
    $gcloud config set account `ACCOUNT`

gcloud config list
Your active configuration is: [default]

[core]
account = user_account@gmail.com
disable_usage_reporting = True
project = user_project

输入:(独立Python函数)

from gcloud import datastore
client = datastore.Client('user_project')

print(vars(client.connection.credentials))

输出：

{'scopes': set([]),'revoke_uri': 'https://accounts.google.com/o/oauth2/revoke','access_token': None,'token_uri': 'https://www.googleapis.com/oauth2/v4/token','token_info_uri': None,'token_response': None,'invalid': False,'refresh_token': u'1/t-V_pZicXXXXXXXXXXXXXXXXXXXXXXXXXXXXX','client_id': u'3XXXXXXXX9.apps.googleusercontent.com','id_token': None,'client_secret': u'ZXXXXXXXXXXXXXXXXXXX2','token_expiry': None,'store': None,'user_agent': 'Python client library'}

VM细节

Firewalls
Allow HTTP traffic 
Allow HTTPS traffic

Availability policies
Preemptibility  Off (recommended)

Automatic restart   
On (recommended)

On host maintenance 
Migrate VM instance (recommended)

Custom Metadata
None

SSH Keys
Block project-wide SSH keys
None

Service account
service-account@user_project.iam.gserviceaccount.com

Cloud API access scopes
This instance has full API access to all Google Cloud services.

谢谢,