AttributeError with toytree

[jsodicoff]

Hi all, thanks for your work on this! I was wondering if you could help me troubleshoot this issue I have run into using the notebook on Colab. I get the following error after completion of the ml calculation, any ideas on what to try? Thanks.

AttributeError                            Traceback (most recent call last)
[/usr/local/lib/python3.10/dist-packages/topiary/_private/interface.py](https://localhost:8080/#) in wrapper(*args, **kwargs)
     31         try:
---> 32             value = func(*args, **kwargs)
     33         except Exception as e:

8 frames
AttributeError: module 'toytree' has no attribute 'Toytree'

The above exception was the direct cause of the following exception:

WrappedFunctionException                  Traceback (most recent call last)
WrappedFunctionException: 

Caught exception in function 'generate_ml_tree'. Returning to starting
directory and cleaning up. Check error stack for cause of
this error.



The above exception was the direct cause of the following exception:

WrappedFunctionException                  Traceback (most recent call last)
[/usr/local/lib/python3.10/dist-packages/topiary/_private/interface.py](https://localhost:8080/#) in wrapper(*args, **kwargs)
     36             err += "directory and cleaning up. Check error stack for cause of\n"
     37             err += "this error.\n\n"
---> 38             raise WrappedFunctionException(err) from e
     39 
     40         return value

WrappedFunctionException: 

Caught exception in function 'alignment_to_ancestors'. Returning to starting
directory and cleaning up. Check error stack for cause of
this error.```