dieter wrote: > Ho Yeung Lee <jobmatt...@gmail.com> writes: > >> http://treelib.readthedocs.io/en/latest/examples.html >> >> tree = Tree() >> #create root >> tree.create_node((0,0), "root") >> result = [aa[0]] >> previousnode = (0,0) >> >>>>> #create root >> ... tree.create_node((0,0), "root") >> Traceback (most recent call last): >> File "<stdin>", line 2, in <module> >> File "C:\Python27\lib\site-packages\treelib\node.py", line 142, in >> __repr__ >> "tag=%r" % self.tag, >> TypeError: not all arguments converted during string formatting > > Check the code of "treelib.node" near line 142 in order to determine > where the value for the attribute "tag" comes from. > > Your error message suggests that "tag" might have gotten its value > from the first parameter of "create_node". In this case, "self.tag" > would be a tuple of 2 elements and the above error would occur because > the pattern has a specification for a single element. > In this case, do not pass tuples as first parameter to "create_node" > (but strings).
While the author of the library probably didn't expect tag to be anything but a string the problem seems to affect the node's repr() only. Once you replace the naked tag >> "tag=%r" % self.tag, in treelib/node.py with a one-tuple "tag=%r" % (self.tag,), the problem should be fixed. Or you avoid the method invocation in the interactive interpreter by assigning to a dummy variable >>> dummy = tree.create_node((0,0), "root") No, repr(), no exception ;) As MRAB says -- don't forget to report the bug to give the author a chance to fix it, once and for all. -- https://mail.python.org/mailman/listinfo/python-list
