Exclude non-runnable code from coverage reports

.coveragerc

@@ -8,4 +8,11 @@ omit =
     */utils/site/*
 
 [report]
+# Regexes for lines to exclude from consideration
+exclude_lines =
+    # Have to re-enable the standard pragma
+    pragma: no cover
+
+    # Don't complain if non-runnable code isn't run
+    if __name__ == .__main__.:
 fail_under=0