Moved where stroke_width attr is defined

mobject/mobject.py

@@ -30,7 +30,6 @@ class Mobject(Container):
     """
     CONFIG = {
         "color": WHITE,
-        "stroke_width": DEFAULT_POINT_THICKNESS,
         "name": None,
         "dim": 3,
         "target": None,

mobject/types/point_cloud_mobject.py

@@ -12,6 +12,10 @@ from utils.iterables import stretch_array_to_length
 
 
 class PMobject(Mobject):
+    CONFIG = {
+        "stroke_width": DEFAULT_POINT_THICKNESS,
+    }
+
     def init_points(self):
         self.rgbas = np.zeros((0, 4))
         self.points = np.zeros((0, 3))

mobject/types/vectorized_mobject.py

@@ -18,6 +18,7 @@ class VMobject(Mobject):
         "fill_color": None,
         "fill_opacity": 0.0,
         "stroke_color": None,
+        "stroke_width": DEFAULT_POINT_THICKNESS,
         # Indicates that it will not be displayed, but
         # that it should count in parent mobject's path
         "is_subpath": False,