parameters: (stmt)
docstring: Return true if statement is a well-formed future statement
docstring_summary: Return true if statement is a well-formed future statement
docstring_tokens: Return true if statement is a well - formed future statement
function: def is_future(stmt):
      """Return true if statement is a well-formed future statement"""
      if not isinstance(stmt, ast.From):
          return 0
      if stmt.modname == "__future__":
          return 1
      else:
          return 0
function_tokens: def is_future ( stmt ) : if not isinstance ( stmt , ast . From ) : return 0 if stmt . modname == "__future__" : return 1 else : return 0