Update comments

Author: Val Brodsky

labelbox/data/annotation_types/collection.py

@@ -179,7 +179,8 @@ def _apply_threaded(self, fns, max_concurrency, *args):
 
 class LabelGenerator(PrefetchGenerator):
     """
-    A container for interacting with a collection of labels.
+    A container for interacting with a large collection of labels. 
+    For a small number of labels, just use a list of Label objects.
     """
 
     def __init__(self, data: Generator[Label, None, None], *args, **kwargs):

labelbox/data/serialization/labelbox_v1/converter.py

@@ -69,7 +69,7 @@ def serialize(
         Note that any metric annotations will not be written since they are not defined in the LBV1 format.
 
         Args:
-            labels: Either a list of Label or a LabelGenerator (LabelCollection)
+            labels: Either a list of Label objects or a LabelGenerator (LabelCollection)
         Returns:
             A generator for accessing the labelbox json export representation of the data
         """

labelbox/data/serialization/ndjson/converter.py

@@ -36,7 +36,7 @@ def serialize(
         We will continue to improve the error messages and add helper functions to deal with this.
 
         Args:
-            labels: Either a list of labels or a LabelGenerator
+            labels: Either a list of Label objects or a LabelGenerator
         Returns:
             A generator for accessing the ndjson representation of the data
         """