Use mypackage as cov target instead of src/mypackage - this would onl…

…y work for editable installs

setup.cfg

@@ -10,6 +10,6 @@ ignore_missing_imports = true
 exclude = docs,build
 
 [tool:pytest]
-addopts = --cov=src/mypackage --cov-report html --cov-report term-missing -v
+addopts = --cov=mypackage --cov-report html --cov-report term-missing -v
 testpaths =
     test