mercurial/ui.py

--- a/mercurial/ui.py	Sat Mar 02 05:12:45 2019 +0530
+++ b/mercurial/ui.py	Sat Mar 02 05:23:15 2019 +0530
@@ -1553,7 +1553,7 @@
                         raise EOFError
                     return l.rstrip('\n')
                 else:
-                    return getpass.getpass('')
+                    return getpass.getpass(r'')
         except EOFError:
             raise error.ResponseExpected()