Use right parameters for coverage.run tool.

pyproject.toml

@@ -302,10 +302,26 @@ curl = ">=8.4.0"
 [tool.coverage.run]
 # See note above on need to specify separate sources for pytest-coverage and coverage.
 source = ["src/pudl/", "test/integration/", "test/unit/"]
+include = [
+  "src/pudl/**",
+  "test/integration/**",
+  "test/unit/**",
+  "*/site-packages/pudl/**",
+]
 omit = [
     # Never hit by integration tests:
     "src/pudl/validate.py",
 ]
+concurrency = ["multiprocessing"]
+
+[tool.coverage.paths]
+# When running pudl tools installed with pip, the sources are imported
+# from package-data/pudl directory. The following maps this to raw
+# source files.
+pudl_sources = [
+  "src/pudl",
+  "*/site-packages/pudl/",
+]
 
 [tool.coverage.report]
 precision = 1