refactored some stuff further

pykick/detection_demo.py

@@ -8,10 +8,10 @@ from .finders import BallFinder
 
 if __name__ == '__main__':
     video = VideoReader(0, loop=True)
-    hsv = read_config()
-    hsv_lower = tuple(map(hsv.get, ('low_h', 'low_s', 'low_v')))
-    hsv_upper = tuple(map(hsv.get, ('high_h', 'high_s', 'high_v')))
-    finder = BallFinder(hsv_lower, hsv_upper, hsv['min_radius'], None)
+    cfg = read_config()
+    hsv_lower = cfg['red'][0]
+    hsv_upper = cfg['red'][1]
+    finder = BallFinder(hsv_lower, hsv_upper, cfg['min_radius'], None)
     try:
         while True:
             frame = video.get_frame()