Monday, September 21, 2026

Breaking a four year hiatus to talk about the export keyword (PEPs 842 and 843)

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I started writing this blog in 2004 and, every year I published at least one post until 2022. So four years of not writing about Python ... ...
Thursday, October 27, 2022

Better NameError messages for Python

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Python 3.11 is barely out and already the 3.12 alpha has some improvements for NameError messages. I suspect that these will be backported t...
Tuesday, October 18, 2022

pandas' SettingWithCopyWarning: did I get it right?

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 I am just beginning to learn pandas and am looking to provide some automated help. From what I read, it appears that SettingWithCopyWarning...
Monday, September 19, 2022

New milestone: friendly/friendly-traceback version 0.6 (and why not 1.0)

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Just a few minutes ago, @isidentical tweeted that PyPy 3.9 had implemented the new enhanced tracebacks that are going to be part of cPython ...
Friday, June 17, 2022

friendly_idle is done!

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friendly_idle is done! I've found a better solution for the remaining issue I had mentioned in the previous blog post. I also found a fi...
Tuesday, June 14, 2022

Friendly IDLE

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friendly_idle  is now available.  This is just a quick announcement. Eventually I plan to write a longer blog post explaining how I use impo...
Saturday, June 11, 2022

Nicer arithmetic with Python

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Beginning programmers are often surprised by floating point arithmetic inaccuracies. If they use Python, many will often write posts saying ...