On 10/31/2012 4:28 PM, R. David Murray wrote: >"local variable referenced before assignment" *is* > a pointer to the concept of when global variables become local...perhaps > there is a better wording, do you have a suggestion? The current wording is an exact, concise, description of the problem. Rather than tinkering with the wording, I think a more general solution might be a new HOWTO: Understanding exception messages. It could have alphabetically sorted entries for exceptions and messages that people find problematic. UnboundLocalError local variable referenced before assignment Problem: You used a local name 'x' in an expression before you assigned it a value. So the interpreter could not compute the value of the expression. Remember that assignment makes a name local unless it is declared global or nonlocal. Remedy: If you intend 'x' to refer to a glocal or nonlocal name, add the necessary global or nonlocal declaration. If you intend -- Terry Jan Reedy
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