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_filter_values return empty list instead of None #1008

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_filter_values return empty list instead of None #1008

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4 changes: 2 additions & 2 deletions src/saml2/assertion.py
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Original file line number Diff line number Diff line change
Expand Up @@ -32,10 +32,10 @@ def _filter_values(vals, vlist=None, must=False):
"""

if not vlist: # No value specified equals any value
return vals
return vals or []

if vals is None: # cannot iterate over None, return early
return vals
return []

if isinstance(vlist, str):
vlist = [vlist]
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