How do I fix local variable might be referenced before assignment?
The UnboundLocalError: local variable referenced before assignment error is raised when you try to assign a value to a local variable before it has been declared. You can solve this error by ensuring that a local variable is declared before you assign it a value.
How do you fix UnboundLocalError?
UnboundLocalError can be solved by changing the scope of the variable which is complaining. You need to explicitly declare the variable global. Variable x’s scope in function printx is global. You can verify the same by printing the value of x in terminal and it will be 6.
What is an UnboundLocalError?
An UnboundLocalError is raised when a local variable is referenced before it has been assigned. This error is a subclass of the Python NameError we explored in another recent article.
How to fix local variable referenced before assignment error?
We have fixed the local variable error in our code. The UnboundLocalError: local variable referenced before assignment error is raised when you try to assign a value to a local variable before it has been declared. You can solve this error by ensuring that a local variable is declared before you assign it a value.
What causes unboundlocalerror in local variable referenced before assignment?
The UnboundLocalError: local variable referenced before assignment error is raised when you try to assign a value to a local variable before it has been declared. You can solve this error by ensuring that a local variable is declared before you assign it a value.
Why is a variable referenced before assignment in Python?
UnboundLocalError: local variable referenced before assignment Python has a simple rule to determine the scope of a variable. If a variable is assigned in a function, that variable is local. This is because it is assumed that when you define a variable inside a function you only need to access it inside that function.
When to use VAR1 as a global variable?
In your case, Var1 is considered as a local variable, and it’s used before being set, thus the error. To solve this problem, you can explicitly say it’s a global by putting global Var1 in you function.