diff --git a/h2/quick_hull.py b/h2/quick_hull.py
index b9d3709..bd5f346 100644
--- a/h2/quick_hull.py
+++ b/h2/quick_hull.py
@@ -1,11 +1,10 @@
 import random
 from collections import namedtuple
+from enum import Enum, auto
+from math import sqrt
 from typing import Set
 
 import matplotlib.pyplot as plt
-from enum import Enum, auto
-from math import atan2, degrees, tau, pi, acos, sqrt
-
 
 Point = namedtuple('Point', 'x y')
 
@@ -23,7 +22,7 @@ def display(points, hull):
     h_x = [point.x for point in hull]
     h_y = [point.y for point in hull]
 
-    plt.plot(h_x, h_y, 'ro-')
+    plt.plot(h_x, h_y, 'ro')
 
     plt.scatter(x, y)
     plt.show()
@@ -90,7 +89,7 @@ def find_hull(points: Set[Point], p: Point, q: Point, hull: Set[Point]):
               hull)
 
 
-peepees = {gen_point() for _ in range(30)}
-hulliees = quick_hull(peepees)
+points = {gen_point() for _ in range(30)}
+hull = quick_hull(points)
 
-display(peepees, hulliees)
+display(points, hull)