Fix undefined names

import numpy as np for lines 151 and 178
Zulko · Feb 12, 2018 · 9d2c609 · 9d2c609
2 parents 90c5f82 + a039c03
commit 9d2c609
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/moviepy/video/tools/tracking.py b/moviepy/video/tools/tracking.py
@@ -8,6 +8,7 @@
 of the tracking time interval).
 """
 
+import numpy as np
 from scipy.interpolate import interp1d
 
 from ..io.preview import imdisplay