Merge pull request #615 from Ircama/ircama-python2

Fix initialization bug with python2 (embedded devices)

Author: jasonacox

tinytuya/BulbDevice.py

@@ -193,7 +193,9 @@ def _hexvalue_to_rgb(hexvalue, bulb="A"):
             b = int(rgb[2] * 255)
         else:
             # Unsupported bulb type
-            raise ValueError(f"Unsupported bulb type {bulb} - unable to determine RGB values.")
+            raise ValueError(
+                "Unsupported bulb type {} - unable to determine RGB values.".format(bulb)
+            )
 
         return (r, g, b)
 
@@ -217,7 +219,9 @@ def _hexvalue_to_hsv(hexvalue, bulb="A"):
             v = int(hexvalue[8:12], 16) / 1000.0
         else:
             # Unsupported bulb type
-            raise ValueError(f"Unsupported bulb type {bulb} - unable to determine HSV values.")
+            raise ValueError(
+                "Unsupported bulb type {} - unable to determine HSV values.".format(bulb)
+            )
 
         return (h, s, v)