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lines changed Original file line number Diff line number Diff line change @@ -209,9 +209,13 @@ class UuidRepresentation:
209209class  BinaryVectorDtype (Enum ):
210210    """Datatypes of vector subtype. 
211211
212+     FLOAT32: Pack floats as float32 
213+     INT8: Pack ints in [-128, 127] as signed int8 
214+     PACKED_BIT: Pack ints in [0, 255] as unsigned uint8 
215+ 
212216    The PACKED_BIT value represents a special case where vector values themselves 
213217    can only hold two values (0 or 1) but these are packed together into groups of 8, 
214-     a byte. In Python, these are displayed as ints in range(0,128).  
218+     a byte. In Python, these are displayed as ints in range [0, 255]  
215219    """ 
216220
217221    INT8  =  b"\x03 " 
@@ -263,9 +267,11 @@ class Binary(bytes):
263267        <https://bsonspec.org/spec.html>`_ 
264268        to use 
265269
266-     .. versionchanged:: 
267-     3.9 Support any bytes-like type that implements the buffer protocol. 
268-     4.9 Addition of vector subtype. 
270+     .. versionchanged:: 3.9 
271+        Support any bytes-like type that implements the buffer protocol. 
272+ 
273+     .. versionchanged:: 4.9 
274+        Addition of vector subtype. 
269275    """ 
270276
271277    _type_marker  =  5 
 
 
   
 
     
   
   
          
    
    
     
    
      
     
     
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