Changed the requirememts file for documentation builds so that it includes the requirements/doc.txt file instead of the top-level requirements.txt file. The top-level file includes requirements/production.txt, which does not install Sphinx, and also misses required modules for autoclass module imports.
Changed the requirememts file for documentation builds so that it includes the requirements/doc.txt file instead of the top-level requirements.txt file. The top-level file includes requirements/production.txt, which does not install Sphinx, and also misses required modules for autoclass module imports.

Stanford-Online/edx-analytics-data-api,edx/edx-analytics-data-api,edx/edx-analytics-data-api,Stanford-Online/edx-analytics-data-api,Stanford-Online/edx-analytics-data-api