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+this module annotates Python abstact syntax trees (ASTs) with the positions
+of tokens and text in the source code that generated them
+It makes it possible for tools that work with logical AST nodes to find the
+particular text that resulted in those nodes, for example for automated
+refactoring or highlighting.
+It works with Python2 and Python3 and can annotate both trees built by
+ast, and those built by astroid.
+This (source) is downloaded from pypi.org/projects/asttokens as the github
+site may not have a complete sourcecode zip.