Can only concatenate str not nonetype to str

I hope this is posted in the right place.

In this article, we will discuss what the typeerror: can only concatenate str not nonetype to str error message means and why it occurs. In addition, this error occur if you are trying to concatenate a None value with a string which is the Python cannot determine the data type of the None value, leading to a TypeError. Since name has a value of None , the concatenation will result in an error due to the inability to concatenate a string with a None value. Finally, the print function is called to print the value of the greeting variable, which will fail due to the error. The first solution to solve this error is that you will need to check first the value of your variable using an if statement to avoid concatenating a None with a string. If the variable is not None , then it will concatenate the variable to a string as follows:. If name has no value i.

Can only concatenate str not nonetype to str

Sorry for bringing this up again, but the other questions haven't been answered yet in a way that would help us. I'm getting said error, but only when trying to upload the whole log file. I tried just uploading a single line, that works fine. We're currently using Splunk 6. I already checked the file, if there's any lines with more or less entries, that might result in a null value, but they all had the 12 entries we are expecting. Any more ideas on what the problem could be? Is there maybe a validation tool that we can run to check, if the log file is OK to import? The check I ran was just a simple CSV parser that checked line by line for the number of entries, so maybe that missed something. Seems to be a browser session issue. Opening the Splunk Web in ' incognito ' mode in Chrome fixed for me. That worked for me just now. If this happens just for one file Are there any weird unicode characters in the file that might mess it up? If this happens for all files Try it out in a different browser. For me, was getting consistent errors for different files, and different file types. When I stopped using Safari and started using Firefox, it was fixed.

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account. I implemented a custom recursive get that allows my tool to transfer all the files and directories contained in a target path, including its subdirectories.

I think this is confusing. In situations where the types of the operands are ambiguous i. Now, it is not completely true, because you can define a custom type which would do arbitrary things when added to str. There is even one such example in the stdlib:. Most people read English from left to right, not from the middle out. I think this problem you are having is probably ideosyncratic to your unusual reading technique. Or even at all. How do you know that the error message order must always reflect that operand order? Is that promised somewhere in the documentation? In this specific case, I have no objection to the wording you suggest.

Can only concatenate str not nonetype to str

We use cookies to operate this website, improve usability, personalize your experience, and improve our marketing. Privacy Policy. By clicking "Accept" or further use of this website, you agree to allow cookies. This error occurs when you try adding concatenating an integer to a string. This error happens most commonly when trying to print an integer variable or writing information to a file. You would also get this error when adding a float or list to a string or other data types. Types in Python have various associated methods , which restrict what you can or can't do with that specific data type.

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Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Turn on suggestions. Home About Contact Books 2 Newsletter. Sign in to comment. I think this problem you are having is probably ideosyncratic to your unusual reading technique. A couple of followup questions Nor do I prefer that wording. If you are calling a function which have no return statement, the function will return a None value automatically. Have a question about this project? All Community Resources. Go to Solution.

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How do you know that the error message order must always reflect that operand order? I am troubleshooting a script that I have been running for almost a year now which updates a hosted feature service in ArcGIS Online. Then I used Chrome and it works. Splunk Premium Solutions. Baffled complete newbie Python Help. Get Updates on the Splunk Community! Sign In. Reading time: 3 minutes. The sort method sorts the original listings variable without returning anything. The error message for str, list, tuple and deque is more specific. Windows 11 If you're connecting as a client, which SSH server are you connecting to?