fix code for coveralls

ArmNavigation/arm_obstacle_navigation/arm_obstacle_navigation.py

@@ -241,7 +241,7 @@ class NLinkArm(object):
 
         self.end_effector = np.array(self.points[self.n_links]).T
 
-    def plot(self, obstacles=[]):
+    def plot(self, obstacles=[]):  # pragma: no cover
         plt.cla()
 
         for obstacle in obstacles:

ArmNavigation/arm_obstacle_navigation/arm_obstacle_navigation_2.py

@@ -272,7 +272,7 @@ class NLinkArm(object):
 
         self.end_effector = np.array(self.points[self.n_links]).T
 
-    def plot(self, myplt, obstacles=[]):
+    def plot(self, myplt, obstacles=[]):  # pragma: no cover
         myplt.cla()
 
         for obstacle in obstacles:

ArmNavigation/n_joint_arm_to_point_control/NLinkArm.py

@@ -49,7 +49,7 @@ class NLinkArm(object):
         if self.show_animation:
             self.plot()
 
-    def plot(self):
+    def plot(self):  # pragma: no cover
         plt.cla()
 
         for i in range(self.n_links + 1):

ArmNavigation/n_joint_arm_to_point_control/n_joint_arm_to_point_control.py

@@ -159,5 +159,5 @@ def ang_diff(theta1, theta2):
 
 
 if __name__ == '__main__':
-    main()
-    # animation()
+    # main()
+    animation()

ArmNavigation/two_joint_arm_to_point_control/two_joint_arm_to_point_control.py

@@ -39,8 +39,8 @@ def two_joint_arm(GOAL_TH=0.0, theta1=0.0, theta2=0.0):
         try:
             theta2_goal = np.arccos(
                 (x**2 + y**2 - l1**2 - l2**2) / (2 * l1 * l2))
-            theta1_goal = np.math.atan2(y, x) - np.math.atan2(l2 *
-                                                              np.sin(theta2_goal), (l1 + l2 * np.cos(theta2_goal)))
+            theta1_goal = np.math.atan2(y, x) - np.math.atan2(l2
+                                                              * np.sin(theta2_goal), (l1 + l2 * np.cos(theta2_goal)))
 
             if theta1_goal < 0:
                 theta2_goal = -theta2_goal
@@ -61,7 +61,7 @@ def two_joint_arm(GOAL_TH=0.0, theta1=0.0, theta2=0.0):
             return theta1, theta2
 
 
-def plot_arm(theta1, theta2, x, y):
+def plot_arm(theta1, theta2, x, y):  # pragma: no cover
     shoulder = np.array([0, 0])
     elbow = shoulder + np.array([l1 * np.cos(theta1), l1 * np.sin(theta1)])
     wrist = elbow + \