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https://github.com/davidcavazos/md2ipynb/blob/master/examples/notebooks/example.ipynb 
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CustomError: Could not find example.ipynb in https://api.github.com/repos/davidcavazos/md2ipynb/contents/examples/notebooks?per_page=100&ref=master
    at new pM (https://ssl.gstatic.com/colaboratory-static/common/bb4df9c9e3fd776a5fce9834a0519367/external_binary.js:2444:68)
    at va.program_ (https://ssl.gstatic.com/colaboratory-static/common/bb4df9c9e3fd776a5fce9834a0519367/external_binary.js:2431:442)
    at ya (https://ssl.gstatic.com/colaboratory-static/common/bb4df9c9e3fd776a5fce9834a0519367/external_binary.js:16:57)
    at va.next_ (https://ssl.gstatic.com/colaboratory-static/common/bb4df9c9e3fd776a5fce9834a0519367/external_binary.js:14:195)
    at kaa.next (https://ssl.gstatic.com/colaboratory-static/common/bb4df9c9e3fd776a5fce9834a0519367/external_binary.js:17:48)
    at b (https://ssl.gstatic.com/colaboratory-static/common/bb4df9c9e3fd776a5fce9834a0519367/external_binary.js:17:309)
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