Merge branch 'master' into docstr_fmt

Author: tleonhardt

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.4.0 (TBD XX, 2020)
+* Bug Fixes
+    * Fixed tab completion crash on Windows
+
 ## 1.3.11 (October 1, 2020)
 * Bug Fixes
     * Fixed issue where quoted redirectors and terminators in aliases and macros were not being

cmd2/cmd2.py

@@ -1591,7 +1591,7 @@ def _display_matches_pyreadline(self, matches: List[str]) -> None:  # pragma: no
             matches_to_display, _ = self._pad_matches_to_display(matches_to_display)
 
             # Print any metadata like a hint or table header
-            readline.rl.mode.console.write(sys.stdout.write(self._build_completion_metadata_string()))
+            readline.rl.mode.console.write(self._build_completion_metadata_string())
 
             # Display matches using actual display function. This also redraws the prompt and line.
             orig_pyreadline_display(matches_to_display)