Fix doctest of PackedPointRecord

pylas/point/record.py

@@ -57,13 +57,13 @@ def empty(cls, point_format_id): pass
 
 class PackedPointRecord(PointRecord):
     """
-    In the PackedPointRecord, fields that are a combinations of many sub-fields (bit-sized fields)
+    In the PackedPointRecord, fields that are a combinations of many sub-fields (fields stored on les than a byte)
     are still packed together and are only de-packed and re-packed when accessed.
 
     This uses of less memory than if the sub-fields were unpacked
     However some operations on sub-fields require extra steps:
 
-    return number is a sub-field
+    >>> #return number is a sub-field
     >>> packed_point_record = PackedPointRecord.zeros(0, 10)
     >>> packed_point_record['return_number'][:] = 1
     >>> np.alltrue(packed_point_record == 1)