exclude Cython.Tempita package from coverage analysis

runtests.py

@@ -1932,12 +1932,15 @@ def runtests(options, cmd_args, coverage=None):
             for name in ('Version', 'DebugFlags', 'CmdLine')) | set(
             'Cython.' + name
             for name in ('Debugging',))
-        modules = [module for name, module in sys.modules.items()
+        ignored_packages = ['Cython.Runtime', 'Cython.Tempita']
+        modules = [
+            module for name, module in sys.modules.items()
             if module is not None and
             name.startswith('Cython.') and
             '.Tests' not in name and
             name not in ignored_modules and
-                   not name.startswith('Cython.Runtime')]
+            not any(name.startswith(package) for package in ignored_packages)
+        ]
         if options.coverage:
             coverage.report(modules, show_missing=0)
         if options.coverage_xml: