Do I need a new Developer Token after upgrading from Python 2.7 to 3.x?

I just upgraded from Python 2.7 to 3.5 and now all of a sudden I get this weird error message when I try to run my program that updates my ads. It's like it isn't detecting the developer token in my googleads.yaml file.  Here's what it says:

Traceback (most recent call last):

  File "midsql.py", line 19, in <module>

    client = adwords.AdWordsClient.LoadFromStorage('~/documents/gnart/googleads.yaml')

  File "/Users/spencertichenor/Documents/pwnzone/env/lib/python3.5/site-packages/googleads/adwords.py", line 250, in LoadFromStorage

    cls._OPTIONAL_INIT_VALUES))

  File "/Users/spencertichenor/Documents/pwnzone/env/lib/python3.5/site-packages/googleads/common.py", line 147, in LoadFromStorage

    % (path, required_client_values, original_keys))

googleads.errors.GoogleAdsValueError: Your yaml file, /Users/spencertichenor/documents/gnart/googleads.yaml, is missing some of the required values. Required values are: developer_token, actual values are ['developer_token', 'client_customer_id', 'refresh_token', 'client_id', 'user_agent', 'client_secret']

Like what the heck because it says I'm missing the developer_token but then it lists developer_token in the actual values right after that. The program still works fine when I run it in a virtual environment in Python 2.7 though. 

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