if (utcoffset is not None): timeDifference float (utcoffset) but what does this do if it is actually None. This error usually occurs when you attempt to convert a string to a float in pandas, yet the string contains one or more of the following: Spaces. using a try-except will handle most user error in this case. You’re converting a string to a float right here in python Mariusthvdb (Marius) December 14, 2021, 2:05pm 5 right, I thought you said the template sensor needed checking., sorry for that. One common error you may encounter when using pandas is: ValueError: could not convert string to float: '400.42'. Working with user input is always tricky since they can always type whatever they want in the box. T=float(t) # -1 to cut off the scale type You should probably also check that the input actually contains some digits to convert to a float as trying to convert an empty string "" will return the error you are seeing. You also have a problem with your regex cutting out any minus signs so you will never get a negative temperature. Try using the condition: allowed_scales = Write out the truth table and you'll find your mistake.Īs a side note it's quite confusing using negation in a condition unless it's absolutely necessary. Your problem isn't with converting to a float but with your condition. When using Python it just prints "Wrong", without any error. ValueError: could not convert string to float: The function can also be applied over multiple columns of a DataFrame using apply. This will help others answer the question. 1 You can use pd.tonumeric (introduced in version 0.17) to convert a column or a Series to a numeric type. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. I've been running the program on a private university platform, and this is what it returns: Non-zero exitcode 1 Ask Question Asked yesterday Modified today Viewed 29 times -2 Closed. So, I've been having a problem while trying to convert the variable t into a float, and it's giving me an error, saying "could not convert string to float: " with a space as false.
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