Corrected a linting error

RuchitJagodara · RuchitJagodara · commit 52a00ba91197 · 2023-12-21T17:04:35.000+05:30
diff --git a/src/sage/rings/qqbar.py b/src/sage/rings/qqbar.py
@@ -1647,7 +1647,7 @@ def _element_constructor_(self, x):
             sage: pi in QQbar                                                           # needs sage.symbolic
             False
 
-        TESTS::
+        TESTS:
 
         Check if :trac:`12745` is fixed::
 
