Made suggested changes

Author: makermelissa

adafruit_portalbase/__init__.py

@@ -49,6 +49,8 @@ class PortalBase:
                             on-board NeoPixel. Defaults to ``None``, to not use the status LED
     :param json_transform: A function or a list of functions to call with the parsed JSON.
                         Changes and additions are permitted for the ``dict`` object.
+    :param success_callback: A function we'll call if you like, when we fetch data successfully.
+                             Defaults to ``None``.
     :param debug: Turn on debug print outs. Defaults to False.
 
     """

adafruit_portalbase/network.py

@@ -398,12 +398,12 @@ def get_io_data(self, feed_key):
         io_client = self._get_io_client()
 
         while True:
-            # try:
-            return io_client.receive_all_data(feed_key)
-            # except RuntimeError as exception:
-            #    print("An error occured, retrying! 1 -", exception)
-            #    continue
-            # break
+            try:
+                return io_client.receive_all_data(feed_key)
+            except RuntimeError as exception:
+                print("An error occured, retrying! 1 -", exception)
+                continue
+            break
 
     def fetch(self, url, *, headers=None, timeout=10):
         """Fetch data from the specified url and return a response object