diff -r d3d1a3afe7aa -r 0e2a2fab4b2e hgext/fix.py
--- a/hgext/fix.py	Fri Jul 26 08:43:57 2019 -0700
+++ b/hgext/fix.py	Sat Oct 12 15:12:54 2019 -0700
@@ -843,9 +843,7 @@
 
     def affects(self, opts, fixctx, path):
         """Should this fixer run on the file at the given path and context?"""
-        return self._pattern is not None and scmutil.match(
-            fixctx, [self._pattern], opts
-        )(path)
+        return scmutil.match(fixctx, [self._pattern], opts)(path)
 
     def shouldoutputmetadata(self):
         """Should the stdout of this fixer start with JSON and a null byte?"""