Problems Using `list-plots` Option

[GoFroggyRun]

When I trying to follow the instructions in the README.md file to upload a plot, I ran into the following issues:

Sean-Wangs-MacBook-Pro:plots seanwang$ python setup.py install
running install
running bdist_egg
running egg_info
writing Tax_Plots.egg-info/PKG-INFO
writing top-level names to Tax_Plots.egg-info/top_level.txt
writing dependency_links to Tax_Plots.egg-info/dependency_links.txt
writing entry points to Tax_Plots.egg-info/entry_points.txt
reading manifest file 'Tax_Plots.egg-info/SOURCES.txt'
writing manifest file 'Tax_Plots.egg-info/SOURCES.txt'
installing library code to build/bdist.macosx-10.6-x86_64/egg
running install_lib
running build_py
creating build/bdist.macosx-10.6-x86_64/egg
creating build/bdist.macosx-10.6-x86_64/egg/taxplots
copying build/lib/taxplots/__init__.py -> build/bdist.macosx-10.6-x86_64/egg/taxplots
copying build/lib/taxplots/cli.py -> build/bdist.macosx-10.6-x86_64/egg/taxplots
copying build/lib/taxplots/utils.py -> build/bdist.macosx-10.6-x86_64/egg/taxplots
byte-compiling build/bdist.macosx-10.6-x86_64/egg/taxplots/__init__.py to __init__.pyc
byte-compiling build/bdist.macosx-10.6-x86_64/egg/taxplots/cli.py to cli.pyc
byte-compiling build/bdist.macosx-10.6-x86_64/egg/taxplots/utils.py to utils.pyc
creating build/bdist.macosx-10.6-x86_64/egg/EGG-INFO
copying Tax_Plots.egg-info/.DS_Store -> build/bdist.macosx-10.6-x86_64/egg/EGG-INFO
copying Tax_Plots.egg-info/PKG-INFO -> build/bdist.macosx-10.6-x86_64/egg/EGG-INFO
copying Tax_Plots.egg-info/SOURCES.txt -> build/bdist.macosx-10.6-x86_64/egg/EGG-INFO
copying Tax_Plots.egg-info/dependency_links.txt -> build/bdist.macosx-10.6-x86_64/egg/EGG-INFO
copying Tax_Plots.egg-info/entry_points.txt -> build/bdist.macosx-10.6-x86_64/egg/EGG-INFO
copying Tax_Plots.egg-info/top_level.txt -> build/bdist.macosx-10.6-x86_64/egg/EGG-INFO
zip_safe flag not set; analyzing archive contents...
creating 'dist/Tax_Plots-0.1.0-py2.7.egg' and adding 'build/bdist.macosx-10.6-x86_64/egg' to it
removing 'build/bdist.macosx-10.6-x86_64/egg' (and everything under it)
Processing Tax_Plots-0.1.0-py2.7.egg
Removing /Users/seanwang/anaconda2/lib/python2.7/site-packages/Tax_Plots-0.1.0-py2.7.egg
Copying Tax_Plots-0.1.0-py2.7.egg to /Users/seanwang/anaconda2/lib/python2.7/site-packages
Tax-Plots 0.1.0 is already the active version in easy-install.pth
Installing build-plots script to /Users/seanwang/anaconda2/bin
Installing list-plots script to /Users/seanwang/anaconda2/bin
Installing upload-plots script to /Users/seanwang/anaconda2/bin

Installed /Users/seanwang/anaconda2/lib/python2.7/site-packages/Tax_Plots-0.1.0-py2.7.egg
Processing dependencies for Tax-Plots==0.1.0
Finished processing dependencies for Tax-Plots==0.1.0
Sean-Wangs-MacBook-Pro:plots seanwang$ list-plots
Traceback (most recent call last):
  File "/Users/seanwang/anaconda2/bin/list-plots", line 9, in <module>
    load_entry_point('Tax-Plots==0.1.0', 'console_scripts', 'list-plots')()
  File "build/bdist.macosx-10.6-x86_64/egg/taxplots/cli.py", line 109, in list_plots
  File "build/bdist.macosx-10.6-x86_64/egg/taxplots/cli.py", line 104, in _list_plots
  File "/Users/seanwang/anaconda2/lib/python2.7/site-packages/pandas/core/frame.py", line 262, in __init__
    arrays, columns = _to_arrays(data, columns, dtype=dtype)
  File "/Users/seanwang/anaconda2/lib/python2.7/site-packages/pandas/core/frame.py", line 5364, in _to_arrays
    coerce_float=coerce_float, dtype=dtype)
  File "/Users/seanwang/anaconda2/lib/python2.7/site-packages/pandas/core/frame.py", line 5480, in _list_of_dict_to_arrays
    columns = lib.fast_unique_multiple_list_gen(gen)
  File "pandas/lib.pyx", line 504, in pandas.lib.fast_unique_multiple_list_gen (pandas/lib.c:10100)
  File "/Users/seanwang/anaconda2/lib/python2.7/site-packages/pandas/core/frame.py", line 5479, in <genexpr>
    gen = (list(x.keys()) for x in data)
AttributeError: 'NoneType' object has no attribute 'keys'

Where I got an error after running the list-plots command. Not sure why this is happening. @talumbau, @brendancol could you please advice?