--- a/tests/run-tests.py	Sat Dec 28 01:12:19 2019 -0500
+++ b/tests/run-tests.py	Sat Dec 28 01:35:05 2019 -0500
@@ -3179,9 +3179,7 @@
                 expanded_args.append(arg)
         args = expanded_args
 
-        testcasepattern = re.compile(
-            br'([\w-]+\.t|py)(?:#([a-zA-Z0-9_\-\.#]+))'
-        )
+        testcasepattern = re.compile(br'([\w-]+\.t|py)(?:#([a-zA-Z0-9_\-.#]+))')
         tests = []
         for t in args:
             case = []