@@ -416,9 +416,9 @@ def add_custom_header(self, name, val: str = None):
416416 :type val: str
417417 """
418418 if isinstance (name , CustomHeader ):
419- self ._custom_headers .append (header )
419+ self ._custom_headers .append (name )
420420 if isinstance (name , str ):
421- self ._custom_headers .append (CustomHeader (header , val ))
421+ self ._custom_headers .append (CustomHeader (name , val ))
422422 if isinstance (name , dict ):
423423 for name , value in name .items ():
424424 self ._custom_headers .append (CustomHeader (name , value ))
@@ -453,12 +453,12 @@ def add_metadata(self, name, val: str = None):
453453 :param val: the metadata value, required if name is str
454454 :type val: str
455455 """
456- if isinstance (header , Metadata ):
457- self ._metadata .append (header )
458- if isinstance (header , str ):
459- self ._metadata .append (Metadata (header , val ))
460- if isinstance (header , dict ):
461- for name , value in header .items ():
456+ if isinstance (name , Metadata ):
457+ self ._metadata .append (name )
458+ if isinstance (name , str ):
459+ self ._metadata .append (Metadata (name , val ))
460+ if isinstance (name , dict ):
461+ for name , value in name .items ():
462462 self ._metadata .append (Metadata (name , value ))
463463
464464 @property
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