Merge pull request #324 from Labelbox/pnoirel_examples

Add a note to export_data_rows about the cache period

Author: paulnoirel

labelbox/schema/dataset.py

@@ -360,8 +360,12 @@ def data_row_for_external_id(self, external_id):
         return data_rows[0]
 
     def export_data_rows(self, timeout_seconds=120):
-        """ Returns a generator that produces all data rows that are currently attached to this dataset.
-
+        """ Returns a generator that produces all data rows that are currently 
+        attached to this dataset.
+            
+        Note: For efficiency, the data are cached for 30 minutes. Newly created data rows will not appear 
+        until the end of the cache period.
+            
         Args:
             timeout_seconds (float): Max waiting time, in seconds.
         Returns: