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PyCharm is good for this too. I've recently started using Type Hints by default. At the very least, it makes your code more readable. Nothing bad comes from th

• type-r 4y ago
  I started enforcing type hinting in my personal projects. 99% of the time it's easy and useful to add. When I can't figure out how to make a mypy error go away within 30 seconds, I just disable it for that line. I feel this makes for very good 80-20 value/effort tradeoff. I will say that more than one bug has been found after I disabled the single line hint though! Always surprising to me how powerful types can be.