diff -r d18cf63e1dbd -r 6c8ba31405d9 mercurial/profiling.py
--- a/mercurial/profiling.py	Thu Nov 21 15:31:33 2019 -0500
+++ b/mercurial/profiling.py	Thu Nov 21 15:38:23 2019 -0500
@@ -77,7 +77,7 @@
 @contextlib.contextmanager
 def flameprofile(ui, fp):
     try:
-        from flamegraph import flamegraph
+        from flamegraph import flamegraph  # pytype: disable=import-error
     except ImportError:
         raise error.Abort(
             _(