Fixing a bug in emed geometry (which is currently removed from the export) which was breaking buffer geometry exports

utils/exporters/blender/addons/io_three/exporter/geometry.py

@@ -335,7 +335,7 @@ class Geometry(base_classes.BaseNode):
                 constants.METADATA: self.metadata
             })
         else:
-            if self.options[constants.EMBED_GEOMETRY]:
+            if self.options.get(constants.EMBED_GEOMETRY):
                 data[constants.DATA] = {
                     constants.ATTRIBUTES: component_data
                 }