Fix parsing error in case of httpCode != 2XX

Author: Xavier Grand

ChangeLog

@@ -1,5 +1,8 @@
 CHANGELOG
 
+master
+    * Fix potential parsing error in case of httpCode == 4XX
+
 2016-07-05 1.9.1
     * Fix the `strategy` parameter of `mutliple_queries`
     * Add the `forwardToSlaves` parameter of `set_settings`

algoliasearch/transport.py

@@ -81,7 +81,10 @@ def _session_req(self, host, path, meth, timeout, params, data):
 
         if res.status_code // 100 == 4:
             message = 'HTTP Code: %d' % (res.status_code)
-            j = res.json()
+            try:
+              j = res.json()
+            except:
+              j = { 'message': res.text}
             if j is not None and 'message' in j:
                 message = j['message']
             raise AlgoliaException(message)