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POImport Error for User Model
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  1. POImport Error for User Model
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    copied!<p>I have this piece of code which is running perfectly on localhost but throws up this obscure error on GAE:</p> <p><code>import_string() failed for 'webapp2_extras.appengine.auth.models.User' . Possible reasons are: - missing __init__.py in a package; - package or module</code></p> <p>My import statements:</p> <pre><code>from webapp2_extras import auth from webapp2_extras import sessions from webapp2_extras.auth import InvalidAuthIdError from webapp2_extras.auth import InvalidPasswordError </code></pre> <p>Usage of <code>auth's</code> user model:</p> <pre><code>user = self.auth.store.user_model.create_user(username, password_raw = password, email = email) if not user[0]: #returns a tuple with [boolean, user_info] return 'Create user error' else: self.set_flash("Thank you for registering. Please login!") self.redirect(self.auth_config['login_url']) </code></pre> <p><a href="https://github.com/prakhar1989/webapp2_auth/blob/master/main.py" rel="noreferrer">Full code</a></p> <h1>UPDATE (Full stack trace)</h1> <pre><code>import_string() failed for 'webapp2_extras.appengine.auth.models.User'. Possible reasons are: - missing __init__.py in a package; - package or module path not included in sys.path; - duplicated package or module name taking precedence in sys.path; - missing module, class, function or variable; Original exception: ImportError: No module named ndb Debugged import: - 'webapp2_extras' found in '/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2_extras/__init__.pyc'. - 'webapp2_extras.appengine' found in '/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2_extras/appengine/__init__.pyc'. - 'webapp2_extras.appengine.auth' found in '/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2_extras/appengine/auth/__init__.pyc'. - 'webapp2_extras.appengine.auth.models' not found. Traceback (most recent call last): File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 1511, in __call__ rv = self.handle_exception(request, response, e) File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 1505, in __call__ rv = self.router.dispatch(request, response) File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 1253, in default_dispatcher return route.handler_adapter(request, response) File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 1077, in __call__ return handler.dispatch() File "/base/data/home/apps/s~webapp-auth/1.358936463581927371/main.py", line 34, in dispatch response = super(BaseHandler, self).dispatch() File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 547, in dispatch return self.handle_exception(e, self.app.debug) File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 545, in dispatch return method(*args, **kwargs) File "/base/data/home/apps/s~webapp-auth/1.358936463581927371/main.py", line 127, in post user = self.auth.store.user_model.create_user(username, password_raw = password, email = email) File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 701, in __get__ value = self.func(obj) File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2_extras/auth.py", line 131, in user_model cls = self.config['user_model'] = webapp2.import_string(cls) File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2.py", line 1824, in import_string return getattr(__import__(module, None, None, [obj]), obj) File "/base/python27_runtime/python27_lib/versions/third_party/webapp2-2.3/webapp2_extras/appengine/auth/models.py", line 13, in &lt;module&gt; from ndb import model </code></pre>
 

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