Set skip_invalid=True when constructing figure wtih get_figure

This restores the pre v3 behavior of silently ignoring invalid
properties when retrieving a figure from plot.ly

Author: jonmmease

plotly/tools.py

@@ -1364,10 +1364,7 @@ def _pad(s, cell_len=cell_len):
 
 def get_graph_obj(obj, obj_type=None):
     """Returns a new graph object.
-
-    OLD FUNCTION: this will *silently* strip out invalid pieces of the object.
-    NEW FUNCTION: no striping of invalid pieces anymore - only raises error
-        on unrecognized graph_objs
+    This will *silently* strip out invalid pieces of the object.
     """
     # TODO: Deprecate or move. #283
     from plotly.graph_objs import graph_objs
@@ -1377,7 +1374,7 @@ def get_graph_obj(obj, obj_type=None):
         raise exceptions.PlotlyError(
             "'{}' is not a recognized graph_obj.".format(obj_type)
         )
-    return cls(obj)
+    return cls(obj, skip_invalid=True)
 
 
 def validate(obj, obj_type):