bring back the comment

maurycy · maurycy · commit 1f0b25ef6a87 · 2025-08-11T04:53:24.000+02:00
diff --git a/Lib/csv.py b/Lib/csv.py
@@ -388,6 +388,7 @@ def _guess_delimiter(self, data, delimiters):
                     count = line.count(char)
                     charFrequency[char][count] += 1
 
+            # must count even if frequency is 0
             missing_chars = ascii.difference(candidate_chars)
             chunk_len = len(chunk)
             for char in missing_chars:
