--- a/trafficintelligence/moving.py	Wed Jul 17 12:28:01 2024 -0400
+++ b/trafficintelligence/moving.py	Sat Jul 20 20:35:21 2024 -0400
@@ -4,7 +4,7 @@
 import copy
 from math import sqrt, atan2, cos, sin, inf
 
-from numpy import median, mean, array, arange, zeros, ones, hypot, NaN, std, floor, ceil, float32, argwhere, flatnonzero, minimum,  issubdtype, integer as npinteger, percentile, quantile, full
+from numpy import median, mean, array, arange, zeros, ones, hypot, nan, std, floor, ceil, float32, argwhere, flatnonzero, minimum,  issubdtype, integer as npinteger, percentile, quantile, full
 from matplotlib.pyplot import plot, text, arrow
 from scipy.spatial.distance import cdist
 from scipy.signal import savgol_filter
@@ -1667,8 +1667,8 @@
                         instants.append(t)
                         coords.append(p[0])
                     else:
-                        instants.append(NaN)
-                        coords.append(NaN)
+                        instants.append(nan)
+                        coords.append(nan)
                 plot(instants, coords, options, **kwargs)
                 if withOrigin and len(instants)>0:
                     plot([instants[0]], [coords[0]], 'ro', **kwargs)