Make save_counts() private

Author: tonghuaroot

Lib/trace.py

@@ -287,9 +287,9 @@ def write_results(self, show_missing=True, summary=False, coverdir=None, *,
                 n_lines, n_hits, modulename, filename = sums[m]
                 print(f"{n_lines:5d}   {n_hits/n_lines:.1%}   {modulename}   ({filename})")
 
-        self.save_counts()
+        self._save_counts()
 
-    def save_counts(self):
+    def _save_counts(self):
         """Save the accumulated counts to ``self.outfile`` if one was given."""
         if self.outfile:
             try:
@@ -748,7 +748,7 @@ def parse_ignore_dir(s):
     if not opts.no_report:
         results.write_results(opts.missing, opts.summary, opts.coverdir)
     else:
-        results.save_counts()
+        results._save_counts()
 
 if __name__=='__main__':
     main()