fix imports for py <3.7

petercorke · petercorke · commit 48f065a1e922 · 2020-05-25T18:56:05.000+10:00
diff --git a/spatialmath/base/animate.py b/spatialmath/base/animate.py
@@ -12,13 +12,13 @@
 # quiver.set_offsets(), quiver.set_UVC()
 # FancyArrow.set_xy()
 
+import numpy as np
+import math
 import matplotlib.pyplot as plt
 from mpl_toolkits.mplot3d import Axes3D
 from matplotlib import animation
-from spatialmath import base as tr
-import numpy as np
-import math
 
+from spatialmath.base import base as tr
 
 class Animate:
     """
