Correct PEP8

doc/source/example/tutorials/asv_homing_grid.py

@@ -11,12 +11,12 @@ from navipy import Brain
 # 0) Define a class heriting from Brain
 class ASVBrain(Brain):
     def __init__(self, renderer=None):
-        Brain.__init__(self,renderer=renderer)
+        Brain.__init__(self, renderer=renderer)
         # Init memory
         posorient = mydb.posorients.loc[12, :]
         mybrain.update(posorient)
-        self.memory = apcv(mybrain.vision.scene,
-                      mybrain.vision.viewing_directions)
+        self.memory = apcv(self.vision.scene,
+                           self.vision.viewing_directions)
 
     def velocity(self):
         asv = apcv(self.vision.scene,
@@ -24,11 +24,12 @@ class ASVBrain(Brain):
         homing_vector = self.memory - asv
         homing_vector = np.squeeze(homing_vector[..., 0, :])
         velocity = pd.Series(data=0,
-                         index=['dx', 'dy', 'dz',
-                                'dalpha_0', 'dalpha_1', 'dalpha_2'])
+                             index=['dx', 'dy', 'dz',
+                                    'dalpha_0', 'dalpha_1', 'dalpha_2'])
         velocity[['dx', 'dy', 'dz']] = homing_vector
         return velocity
-    
+
+
 # 1) Connect to the database
 mydb_filename = pkg_resources.resource_filename(
     'navipy', 'resources/database.db')