remove extra instance of _Quiver object.

Author: dabana

Diff for: plotly/figure_factory/_quiver.py

@@ -89,21 +89,18 @@ def create_quiver(x, y, u, v, scale=.1, arrow_scale=.3,
     utils.validate_positive_scalars(arrow_scale=arrow_scale, scale=scale)
 
     if scaleratio is None:
-        barb_x, barb_y = _Quiver(x, y, u, v, scale,
-                                arrow_scale, angle).get_barbs()
-        arrow_x, arrow_y = _Quiver(x, y, u, v, scale,
-                                arrow_scale, angle).get_quiver_arrows()
+        quiver_obj = _Quiver(x, y, u, v, scale, arrow_scale, angle)
     else:
-        barb_x, barb_y = _Quiver(x, y, u, v, scale,
-                                arrow_scale, angle, scaleratio).get_barbs()
-        arrow_x, arrow_y = _Quiver(x, y, u, v, scale,
-                                arrow_scale, angle, scaleratio).get_quiver_arrows()        
+        quiver_obj = _Quiver(x, y, u, v, scale, arrow_scale, angle, scaleratio)
+
+    barb_x, barb_y = quiver_obj.get_barbs()
+    arrow_x, arrow_y = quiver_obj.get_quiver_arrows()       
 
-    quiver = graph_objs.Scatter(x=barb_x + arrow_x,
+    quiver_plot = graph_objs.Scatter(x=barb_x + arrow_x,
                                 y=barb_y + arrow_y,
                                 mode='lines', **kwargs)
 
-    data = [quiver]
+    data = [quiver_plot]
 
     if scaleratio is None:
         layout = graph_objs.Layout(hovermode='closest')