Forgetting to set a python variable or some related problem — Whenever you see NoneType in Python it usually means that something didn’t get set correctly. The other information is somewhat extraneous except possibly “unpack” because it gives you a clue what the program was trying to do, but your line of code will show you that as well. Check your…

Problems iterating through and accessing JSON elements with Python — If you get this error while trying to access data in a JSON object check to see whether you are trying to access a list or a dictionary(dict). Python lists look like this: mylist = [“apple”, “banana”, “cherry”] Python list: Python Lists mylist = ["apple", "banana", "cherry"] Lists are used to store multiple items in a single variable. Lists are one of 4…www.w3schools.com

Trying to output the results of a process to a file — This is a very ambiguous error message. You’ll see this error message when you try to output the results of a line of code you’re running to a file. …

Encoding and decoding in Python — Encoding and decoding values can get confusing. This sample code might help you out. I named the variables to show whether they were encoded (bytes) or decoded (a string) or base64 encoded or decoded. import base64 value="Decoded string value" value_encode = value.encode('utf-8') value_base64encode = base64.b64encode(value_encode) value_decode = value_base64encode.decode('utf-8')

Error when a key does not exist in json you’re parsing with python — You may be parsing through json with python and trying to print out values like this: jsonfile="data.json" jf = open(jsonfile, "r") j=json.load(jf) items=j['items'] for item in items: v1=item['name1'] v2=item['name2'] One problem that causes this error is when an item in your list of items does not have values for both…

Forgot to close a string with quotes in python — In my case, this error was a on overcomplicated way of saying, “You forgot to close a string with a matching double or single quote.” EOL stands for End of Line. What that means is that the python parser got to the end of a line of code before it…

Trying to use a variable that doesn’t exist in python — If you try to use a variable in a python statement that hasn’t yet been declared, you’ll get an error that the value is not defined. Simply instantiate the variable to and empty string, 0, True, False, or None depending on what is appropriate for the datatype you’re using above…

Too many values passed back from a python function — Python differs from some other languages in that you can pass back multiple values from a function. The number of values that you retrieve from a function needs to match the number of values that you return from the function. For example, if you have this function: def funkyfunk(test1, test2…

Python error when you fail to set a value — The “not NoneType” is the clue with this error message. The particular function I called in this case is expecting a String (str), bytes (such as a file) or os.PathLike object which is a particular type of object you can instantiate that represents a file path. If you see NoneType…