adds back in missing function name

nicolaskruchten · web-flow · commit e687298a2c3b · 2019-07-16T14:54:29.000-04:00
diff --git a/packages/python/plotly/plotly/express/__init__.py b/packages/python/plotly/plotly/express/__init__.py
@@ -52,6 +52,7 @@
     "density_contour",
     "density_heatmap",
     "line",
+    "line_3d",
     "line_polar",
     "line_ternary",
     "line_mapbox",
