diff --git a/hardware.py b/hardware.py
index d5cdd25..9b6e664 100644
--- a/hardware.py
+++ b/hardware.py
@@ -3,6 +3,7 @@ import socket
 import GCode_Interpreterdc
 from controller import DummyController
 
+
 class Hardware:
     def __init__(self, bind):
         self.s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
@@ -19,7 +20,6 @@ class SimuHardware(Hardware):
     def __init__(self, bind):
         Hardware.__init__(self, bind)
 
-
     def probe(self, gtm):
         self.s.send("request\n".encode())
         encoder_x = int(socket.SocketIO(self.s, "rw").readline())
@@ -67,11 +67,10 @@ class SimuHardware(Hardware):
             self.s.send(str(gtm.z_direction).encode() + b" " + str(gtm.FAST_Z_FEEDRATE / gtm.z_throttle).encode() + b"\n")
 
 
-
 if __name__ == '__main__':
     b = "socket.sock"
     sh = SimuHardware(b)
-    ctrl=DummyController()
+    ctrl = DummyController()
     gtm1 = GCode_Interpreterdc.GCodeToMotors(ctrl, sh)
     sh.probe(gtm1)
     print(gtm1.current_units)
diff --git a/simulator.py b/simulator.py
index 7ce3cb7..ad10050 100755
--- a/simulator.py
+++ b/simulator.py
@@ -3,17 +3,6 @@ import os
 import time
 import numpy as np
 import matplotlib.pyplot as plt
-#from color import Color
-
-
-#c1 = Color("#7d1dd3")
-#c2 = Color("#ffe500")
-#colors = list(c1.range_to(c2, 42))
-
-
-def infinite_colors():
-    for x in iter(int, 1):
-        yield colors[x % 42]
 
 
 def parse_speed(text):
@@ -99,11 +88,6 @@ class Simulator:
 
 
 class Douche:
-    colors = infinite_colors()
-
-    last_x = None
-    last_y = None
-
     def __init__(self):
         # We will assume no points are `really` in 3D.
         plt.ion()
@@ -113,7 +97,7 @@ class Douche:
         self.ys = []
         ax.set_xlim([0, 300])
         ax.set_ylim([0, 300])
-        self.line, = ax.plot(self.xs, self.ys)
+        self.line, = ax.plot(self.xs, self.ys, c="#7d1dd3")
 
     def add_point(self, x, y):
         self.xs.append(x)
@@ -156,7 +140,7 @@ class NaiveSimulator(Simulator, Douche):
             return
         self.last_update = lt
         gamma = self.G*(self.command_spd - self.speed)
-        
+
         self.pos += self.speed * self.time_step
         self.speed += 1./self.J * (gamma - self.f*self.speed) * self.time_step
         #print("timestep ", self.time_step)