Removed setting of the scope in the ProjectSurvey init.
This is because it is not possible to query for another entity outside your entity group in the __init__ fucntion.
Coverage: code coverage testing for Python
Coverage.py is a Python module that measures code coverage during test execution.
It uses the code analysis tools and tracing hooks provided in the Python standard
library to determine which lines are executable, and which have been executed.
For more information, see http://nedbatchelder.com/code/modules/coverage.html