Dataframes have a to_string method!

theengineear · theengineear · commit 9bfe62ea9572 · 2015-09-29T11:52:05.000+07:00
We try to use duck-typing here, but it doesn’t quite make sense.
diff --git a/plotly/graph_objs/graph_objs.py b/plotly/graph_objs/graph_objs.py
@@ -700,13 +700,13 @@ def to_string(self, level=0, indent=4, eol='\n',
                 eol=eol,
                 indent=' ' * indent * (level+1),
                 key=key)
-            try:
+            if isinstance(key, PlotlyBase):
                 string += self[key].to_string(level=level+1,
                                               indent=indent,
                                               eol=eol,
                                               pretty=pretty,
                                               max_chars=max_chars)
-            except AttributeError:
+            else:
                 if pretty:  # curtail representation if too many chars
                     max_len = (max_chars -
                                indent*(level + 1) -
