Add retrying logic from #964 to see if helps "sign in failed" test errors

Author: jonmmease

plotly/api/v2/utils.py

@@ -3,7 +3,7 @@
 import requests
 from requests.compat import json as _json
 from requests.exceptions import RequestException
-
+from retrying import retry
 from plotly import config, exceptions, version, utils
 from plotly.api.utils import basic_auth
 
@@ -111,6 +111,8 @@ def get_headers():
     return headers
 
 
+@retry(wait_random_min=100, wait_random_max=1000, wait_exponential_max=10000,
+       stop_max_delay=30000)
 def request(method, url, **kwargs):
     """
     Central place to make any api v2 api request.

requirements.txt

@@ -13,3 +13,6 @@ six==1.8.0
 
 ## timezone definitions ##
 pytz==2014.9
+
+## retrying requests ##
+retrying==1.3.3

tox.ini

@@ -57,6 +57,7 @@ deps=
     requests==2.12.4
     six==1.10.0
     pytz==2016.10
+    retrying==1.3.3
     optional: numpy==1.11.3
     optional: ipython[all]==5.1.0
     optional: jupyter==1.0.0