Remove trailing whitespace

Author: yagggi

Doc/library/getpass.rst

@@ -41,7 +41,7 @@ The :mod:`getpass` module provides two functions:
 
    .. note::
       On Unix systems, when *echo_char* is set, the terminal will be
-      configured to operate in `noncanonical mode 
+      configured to operate in `noncanonical mode
       <https://manpages.debian.org/termios(3)#Canonical_and_noncanonical_mode>`__.
       In particular, this means that line editing shortcuts such as
       :kbd:`Ctrl+U` will not work and may insert unexpected characters into