Make the trace module ignore modules whose names start with "<" and

end with ">", i.e. follow convention.

Lib/trace.py

@@ -244,8 +244,7 @@ class CoverageResults:
         """Return True if the filename does not refer to a file
         we want to have reported.
         """
-        return (filename == "<string>" or
-                filename.startswith("<doctest "))
+        return filename.startswith('<') and filename.endswith('>')
 
     def update(self, other):
         """Merge in the data from another CoverageResults"""

Misc/NEWS

@@ -19,6 +19,10 @@ Core and Builtins
 Library
 -------
 
+- trace.CoverageResults.is_ignored_filename() now ignores any name that starts
+  with "<" and ends with ">" instead of special-casing "<string>" and
+  "<doctest ".
+
 - Issue #12537: The mailbox module no longer depends on knowledge of internal
   implementation details of the email package Message object.