scatter points will show up without specifying .size(1)

nv.d3.js

@@ -7803,7 +7803,7 @@ nv.models.scatter = function() {
     , z           = d3.scale.linear() //linear because d3.svg.shape.size is treated as area
     , getX        = function(d) { return d.x } // accessor to get the x value
     , getY        = function(d) { return d.y } // accessor to get the y value
-    , getSize     = function(d) { return d.size } // accessor to get the point size
+    , getSize     = function(d) { return d.size || 1 } // accessor to get the point size
     , getShape    = function(d) { return d.shape || 'circle' } // accessor to get point shape
     , forceX      = [] // List of numbers to Force into the X scale (ie. 0, or a max / min, etc.)
     , forceY      = [] // List of numbers to Force into the Y scale

src/models/scatter.js

@@ -15,7 +15,7 @@ nv.models.scatter = function() {
     , z           = d3.scale.linear() //linear because d3.svg.shape.size is treated as area
     , getX        = function(d) { return d.x } // accessor to get the x value
     , getY        = function(d) { return d.y } // accessor to get the y value
-    , getSize     = function(d) { return d.size } // accessor to get the point size
+    , getSize     = function(d) { return d.size || 1} // accessor to get the point size
     , getShape    = function(d) { return d.shape || 'circle' } // accessor to get point shape
     , forceX      = [] // List of numbers to Force into the X scale (ie. 0, or a max / min, etc.)
     , forceY      = [] // List of numbers to Force into the Y scale