Use api.v2.plot_schema to get GRAPH_REFERENCE.

There is a circular import issue that needed to be fixed here as well.

Author: theengineear

Diff for: plotly/tests/test_core/test_graph_reference/test_graph_reference.py

@@ -9,27 +9,22 @@
 from pkg_resources import resource_string
 from unittest import TestCase
 
-import requests
-import six
 from nose.plugins.attrib import attr
 
-from plotly import files, graph_reference as gr
+from plotly import graph_reference as gr
+from plotly.api import v2
 from plotly.graph_reference import string_to_class_name, get_role
 from plotly.tests.utils import PlotlyTestCase
 
+FAKE_API_DOMAIN = 'https://api.am.not.here.ly'
+
 
 class TestGraphReferenceCaching(PlotlyTestCase):
 
     @attr('slow')
     def test_default_schema_is_up_to_date(self):
-        api_domain = files.FILE_CONTENT[files.CONFIG_FILE]['plotly_api_domain']
-        graph_reference_url = '{}{}?sha1'.format(api_domain, '/v2/plot-schema')
-        response = requests.get(graph_reference_url)
-        if six.PY3:
-            content = str(response.content, encoding='utf-8')
-        else:
-            content = response.content
-        schema = json.loads(content)['schema']
+        response = v2.plot_schema.retrieve('')
+        schema = response.json()['schema']
 
         path = os.path.join('package_data', 'default-schema.json')
         s = resource_string('plotly', path).decode('utf-8')

Diff for: plotly/tools.py

@@ -19,7 +19,6 @@
 from plotly import colors
 from plotly import utils
 from plotly import exceptions
-from plotly import graph_reference
 from plotly import session
 from plotly.files import (CONFIG_FILE, CREDENTIALS_FILE, FILE_CONTENT,
                           check_file_permissions)
@@ -1357,6 +1356,7 @@ def validate(obj, obj_type):
 
     """
     # TODO: Deprecate or move. #283
+    from plotly import graph_reference
     from plotly.graph_objs import graph_objs
 
     if obj_type not in graph_reference.CLASSES: