Fix example script imports

Author: Gavin Lüdemann

examples/README.md

@@ -4,5 +4,8 @@ This is a loose collection of example scripts for pyghthouse.
 
 Run any script by entering `python <filename>`.
 
+Some scripts have additional dependencies; you can install them by running `pip install -r requirements.txt` from the
+repository root directory.
+
 If you set up config.py with your username and API token, you won't have to enter them every time you run a script.
 Be aware that API tokens are only valid for a few days.

examples/huecircle.py

@@ -1,5 +1,5 @@
 from pyghthouse import Pyghthouse
-from pyghthouse.utils._color import from_hsv
+from pyghthouse.utils import from_hsv
 from config import UNAME, TOKEN
 import numpy as np
 

examples/rainbow.py

@@ -1,5 +1,5 @@
 from pyghthouse import Pyghthouse
-from pyghthouse.utils._color import from_hsv
+from pyghthouse.utils import from_hsv
 from config import UNAME, TOKEN
 
 

examples/twopoints.py

@@ -3,7 +3,7 @@
 import numpy as np
 from PIL import Image, ImageDraw
 
-from pyghthouse.utils._color import from_hsv
+from pyghthouse.utils import from_hsv
 from pyghthouse import Pyghthouse
 
 from config import UNAME, TOKEN

requirements.txt

@@ -1,4 +1,6 @@
 setuptools~=58.0.4
 numpy~=1.21.2
 websocket-client~=1.2.1
-msgpack~=1.0.2
+msgpack~=1.0.2
+Pillow~=8.4.0
+pyghthouse>=0.2.0