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.

I hope this is posted in the right place. I am troubleshooting a script that I have been running for almost a year now which updates a hosted feature service in ArcGIS Online. We recently upgraded our ArcMap and Server to I am wondering if this update has something to do with it? Please help. Go to Solution. Dan and other's who may see this thread.

Can only concatenate str not nonetype to str

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. The value of name is Juan Delacruz. For the second solution to solve this error is to use a default value for the variable if the value is none. The value of age is In Python, None is a special value that represents the absence of a value.

Using Splunk.

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. However, when I use the same method with the same parameters, except from obtaining them as results of the previously shown logic, the script transfers all the files of the parent directory and, after the last one, returns the exception "TypeError: can only concatenate str not "NoneType" to str", in the same line of code that worked for the previous iterations.

You can also check out our other articles on TypeError here. The TypeError occurs when you try to operate on a value that does not support that operation. What do you expect the output to be? The only solution is to have operands with similar data types. Similarly, as shown in the example above, we can only concatenate strings together. On trying to concatenate these two, TypeError gets thrown. The following program grabs the 0th index item and the 2nd index item of the list and concatenates them. However, since both items are of different data types, we get a type error. It is essential to realize that only strings can be concatenated together.

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. Some of the main types which you may have encountered so far are strings , integers , and floats. In this lesson, we'll focus on strings and considering some examples where you may need to combine numbers with your string to display information effectively.

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Showing results for. Accepted Solutions. That gets a bit difficult since you are using the arcgis module which is now at 2. Go to Solution. Example: if self. Sorry for bringing this up again, but the other questions haven't been answered yet in a way that would help us. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Meaning there was something wrong with the source data Sign In. That worked for me just now.

I think this is confusing.

Safari has much stricter security than most other browsers, which can get in the way of some web-apps functionalities. TypeError: can only concatenate str not "NoneType" to str Subscribe. In this example code, we are converting the None value to a string using the str function before concatenating it with the string. Chrome handles the upload just fine. We recently upgraded our ArcMap and Server to Show only Search instead for. About Hello! Baffled complete newbie Python Help. Any more ideas on what the problem could be? Community Ideas. Most people read English from left to right, not from the middle out. Did you mean:. Please help.