Address internal pytest errors during collection #728
Merged
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There have been numerous bug reports related to a pytest INTERNALERROR triggered during test collection.The root cause is the installation of the scoped event loop fixture which triggers module imports during
pytest_collectstart
. This specific hook runs before the actual collection phase and is not equipped to deal with this kind of import errors.This PR monkey patches each Module.collect call and prepends a statement that installs the scoped event loop as part of the collect call. This delays module imports until the collection phase where pytest deals with them properly.
Closes #713
Closes #719