diff --git a/ietf/utils/management/commands/coverage_changes.py b/ietf/utils/management/commands/coverage_changes.py
index 2da9e350b..5c8b3a4c4 100644
--- a/ietf/utils/management/commands/coverage_changes.py
+++ b/ietf/utils/management/commands/coverage_changes.py
@@ -7,6 +7,8 @@ from django.conf import settings
 from django.core.management.base import BaseCommand, CommandError
 from django.utils.six import string_types
 
+import debug                            # pyflakes:ignore
+
 class Command(BaseCommand):
     help = "Compare coverage between the latest release and the latest test run."
     option_list = BaseCommand.option_list + (
@@ -49,7 +51,9 @@ class Command(BaseCommand):
         self.stdout.write("\nShowing coverage differeces between %s and %s:\n" % (mversion, lversion))
         for section in sections:
             mcoverage = master_coverage[section]["covered"]
+            mformat   = master_coverage[section].get("format", 1)
             lcoverage = latest_coverage[section]["covered"]
+            lformat   = latest_coverage[section].get("format", 1)
             #
             mkeys = mcoverage.keys()
             lkeys = lcoverage.keys()
@@ -57,16 +61,31 @@ class Command(BaseCommand):
             keys = list(lkeys)
             keys.sort()
             header_written = False
+
             for key in keys:
                 if not key in mcoverage:
-                    mcoverage[key] = None
-                if type(mcoverage[key]) is float or type(lcoverage[key]) is float:
-                    mval = ("%5.1f" % (100*mcoverage[key])) if mcoverage[key] else "-"
-                    lval = ("%5.1f  %%" % (100*lcoverage[key])) if lcoverage[key] else "-   "
+                    mlines, mcov = None, None
                 else:
-                    mval = mcoverage[key]
-                    lval = lcoverage[key]
-                if mcoverage[key] != lcoverage[key]:
+                    if   mformat == 1:
+                        mlines, mcov = None, mcoverage[key]
+                    elif mformat == 2:
+                        mlines, mcov = mcoverage[key]
+                    else:
+                        raise CommandError("The release coverage data has an unknown format ('%s'), quitting." % mformat)
+                if   lformat == 1:
+                    llines, lcov = None, lcoverage[key]
+                elif lformat == 2:
+                    llines, lcov = lcoverage[key]
+                else:
+                    raise CommandError("The latest coverage data has an unknown format ('%s'), quitting." % lformat)
+                    
+                if type(mcov) is float or type(lcov) is float:
+                    mval = ("%5.1f" % (100*mcov)) if mcov else "-"
+                    lval = ("%5.1f  %%" % (100*lcov)) if lcov else "-   "
+                else:
+                    mval = mcov
+                    lval = lcov
+                if mcov != lcov:
                     if not header_written:
                         self.stdout.write(self.diff_line_format %
                             ("\n%s"%section.capitalize(), mversion[:7], lversion[:7]))
diff --git a/ietf/utils/test_runner.py b/ietf/utils/test_runner.py
index 667c8123e..5ff91138c 100644
--- a/ietf/utils/test_runner.py
+++ b/ietf/utils/test_runner.py
@@ -178,12 +178,12 @@ class CoverageReporter(Reporter):
         self.find_code_units(None)
 
         total = Numbers()
-        result = {"coverage": 0.0, "covered": {}}
+        result = {"coverage": 0.0, "covered": {}, "format": 2, }
         for cu in self.code_units:
             try:
                 analysis = self.coverage._analyze(cu)
                 nums = analysis.numbers
-                result["covered"][cu.name] = nums.pc_covered/100.0
+                result["covered"][cu.name] = (nums.n_statements, nums.pc_covered/100.0)
                 total += nums
             except KeyboardInterrupt:                   # pragma: not covered
                 raise
@@ -221,7 +221,7 @@ class CoverageTest(TestCase):
             if self.runner.run_full_test_suite:
                 # Permit 0.02% variation in results -- otherwise small code changes become a pain
                 fudge_factor = 0.0002   # 0.02% -- a small change in the last digit we show
-                self.assertGreaterEqual(test_coverage, master_coverage-fudge_factor,
+                self.assertGreaterEqual(test_coverage, master_coverage - fudge_factor,
                     msg = "The %s coverage percentage is now lower (%.2f%%) than for version %s (%.2f%%)" %
                         ( test, test_coverage*100, latest_coverage_version, master_coverage*100, ))
                 self.assertLessEqual(len(test_missing), len(master_missing),
@@ -331,14 +331,17 @@ class IetfTestRunner(DiscoverRunner):
                 "template": {
                     "coverage": 0.0, 
                     "covered": {},
+                    "format": 1,        # default format, coverage data in 'covered' are just fractions
                 },
                 "url": {
                     "coverage": 0.0, 
                     "covered": {},
+                    "format": 1,
                 },
                 "code": {
                     "coverage": 0.0, 
                     "covered": {},
+                    "format": 1,
                 },
             }
 
@@ -355,10 +358,6 @@ class IetfTestRunner(DiscoverRunner):
             print "     Changing TEMPLATE_STRING_IF_INVALID to '' during testing."
             settings.TEMPLATE_STRING_IF_INVALID = ''
 
-        if settings.SERVE_CDN_FILES_LOCALLY_IN_DEV_MODE != True:
-            print "     Changing SERVE_CDN_FILES_LOCALLY_IN_DEV_MODE to 'True' during testing."
-            settings.SERVE_CDN_FILES_LOCALLY_IN_DEV_MODE = True
-
         assert not settings.IDTRACKER_BASE_URL.endswith('/')
 
         # Try to set up an SMTP test server.  In case other test runs are