Merge pull request plotly#783 from plotly/alishobeiri-patch-1

Index based -> ___location based indexing

Author: alishobeiri

plotly/figure_factory/_facet_grid.py

@@ -413,7 +413,7 @@ def _facet_grid_color_numerical(df, x, y, facet_row, facet_col, color_name,
                         mode='markers',
                         type=trace_type,
                         showlegend=False,
-                        **kwargs
+                        **kwargs_trace
                     )
                 fig.append_trace(trace, row_count + 1, col_count + 1)
                 if row_count == 0:
@@ -783,7 +783,7 @@ def create_facet_grid(df, x, y, facet_row=None, facet_col=None,
                     )
     show_legend = False
     if color_name:
-        if isinstance(df[color_name][0], str) or color_is_cat:
+        if isinstance(df[color_name].iloc[0], str) or color_is_cat:
             show_legend = True
             if isinstance(colormap, dict):
                 utils.validate_colors_dict(colormap, 'rgb')
@@ -812,7 +812,7 @@ def create_facet_grid(df, x, y, facet_row=None, facet_col=None,
                 marker_color, kwargs_trace, kwargs_marker
             )
 
-        elif isinstance(df[color_name][0], Number):
+        elif isinstance(df[color_name].iloc[0], Number):
             if isinstance(colormap, dict):
                 show_legend = True
                 utils.validate_colors_dict(colormap, 'rgb')

plotly/tests/test_optional/test_figure_factory.py

@@ -1999,6 +1999,7 @@ def test_valid_color_dict(self):
                                 data, 'a', 'b', color_name='a',
                                 colormap=color_dict)
 
+
     def test_valid_colorscale_name(self):
         data = pd.DataFrame([[0, 1, 2], [3, 4, 5]],
                             columns=['a', 'b', 'c'])