diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000000000..2f262293a2c1b
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,5 @@
+# .coveragerc to control coverage.py
+[report]
+# regrexes for lines to exclude from consideration
+exclude_lines =
+  NotImplementedError