Fix splitting so test passes.

jaraco · jaraco · commit 8bcd887e3f0f · 2021-04-18T09:39:13.000-04:00
diff --git a/importlib_metadata/_adapters.py b/importlib_metadata/_adapters.py
@@ -1,4 +1,4 @@
-import string
+import re
 import textwrap
 import email.message
 
@@ -50,7 +50,7 @@ def json(self):
         def transform(key):
             value = self.get_all(key) if key in multiple_use else self[key]
             if key == 'Keywords':
-                value = value.split(string.whitespace)
+                value = re.split(r'\s+', value)
             tk = key.lower().replace('-', '_')
             return tk, value
 
