Fixed typo

2017-01-05 00:13:14 -08:00 · 2017-01-05 00:13:14 -08:00 · 32cea53ea1
commit 32cea53ea1
parent 9837fec3b9
1 changed files with 1 additions and 1 deletions
--- a/python/visualization.py
+++ b/python/visualization.py
@ -138,7 +138,7 @@ _prev_spectrum = np.tile(0.01, config.N_PIXELS // 2)

 def visualize_spectrum(y):
    """Effect that maps the Mel filterbank frequencies onto the LED strip"""
-    global prev_spectrum
+    global _prev_spectrum
    y = np.copy(interpolate(y, config.N_PIXELS // 2))
    common_mode.update(gaussian_filter1d(y, sigma=2.0))
    diff = y - prev_spectrum