--- a/mercurial/registrar.py	Fri Nov 27 17:00:00 2020 -0500
+++ b/mercurial/registrar.py	Fri Nov 27 17:03:29 2020 -0500
@@ -95,8 +95,7 @@
         self._table.update(registrarbase._table)
 
     def _parsefuncdecl(self, decl):
-        """Parse function declaration and return the name of function in it
-        """
+        """Parse function declaration and return the name of function in it"""
         i = decl.find(b'(')
         if i >= 0:
             return decl[:i]
@@ -121,8 +120,7 @@
         return self._docformat % (decl, doc)
 
     def _extrasetup(self, name, func):
-        """Execute extra setup for registered function, if needed
-        """
+        """Execute extra setup for registered function, if needed"""
 
 
 class command(_funcregistrarbase):
@@ -345,8 +343,7 @@
 
 
 class _templateregistrarbase(_funcregistrarbase):
-    """Base of decorator to register functions as template specific one
-    """
+    """Base of decorator to register functions as template specific one"""
 
     _docformat = b":%s: %s"