fix bug concerning import

horizonmetrics.py

@@ -15,6 +15,7 @@
 
 import evaluate
 import datasets
+import numpy as np
 
 #from seametrics.horizon.utils import *
 
@@ -61,9 +62,6 @@ BAD_WORDS_URL = "http://url/to/external/resource/bad_words.txt"
                                                 _KWARGS_DESCRIPTION)
 
 # begin utils
-import numpy as np
-
-
 def xy_points_to_slope_midpoint(xy_points):
     """
     Given two points, return the slope and midpoint of the line
@@ -325,6 +323,7 @@ def pitch_to_midpoint(pitch, vertical_fov_degrees):
     midpoint = pitch / vertical_fov_degrees
     return midpoint
 
+
 # end utils
 class horizonmetrics(evaluate.Metric):
     """TODO: Short description of my evaluation module."""