Deduplicate characters in alphabet

e22bfbde · Bram Schoenmakers · 7513e7c2 · e22bfbde
Commit e22bfbde authored Jul 22, 2017 by Bram Schoenmakers
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topydo/lib/Config.py topydo/lib/Config.py +4 -1

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--- a/topydo/lib/Config.py
+++ b/topydo/lib/Config.py
@@ -476,7 +476,10 @@ class _Config:
        return shlex.split(result)

    def identifier_alphabet(self):
-        return self.cp.get('topydo', 'identifier_alphabet')
+        alphabet = self.cp.get('topydo', 'identifier_alphabet')
+
+        # deduplicate characters alphabet
+        return list({c: None for c in alphabet}.keys())

 def config(p_path=None, p_overrides=None):
    """