Merge pull request #21 from tekktrik/dev/specific-error

Use more specific error for discovering bridge_wifi

Author: tannewt

adafruit_hue.py

@@ -98,7 +98,7 @@ def discover_bridge(self):
             json_data = resp.json()
             bridge_ip = json_data[0]["internalipaddress"]
             resp.close()
-        except Exception as err:
+        except IndexError as err:
             raise TypeError(
                 "Ensure the Philips Bridge and CircuitPython device\
                              are both on the same WiFi network."