bpo-40876: Clarify error message in the csv module #20653
Merged
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I was working with the csv module, and I vaguely remembered that you should open files in binary mode. So I did.
Then I saw this error message:
I read the end and thought "I didn't open it in text mode, what does it want from me?!" It took a careful reading to figure out that I was supposed to open it in text mode.
This PR slightly changes the text to:
https://bugs.python.org/issue40876