Fix flake8 errors

1 files changed, 10 insertions, 1 deletions

diff --git a/sphinx/cmd/quickstart.py b/sphinx/cmd/quickstart.py
index 359355ad1..7dfc29e19 100644
--- a/sphinx/cmd/quickstart.py
+++ b/sphinx/cmd/quickstart.py
@@ -95,6 +95,12 @@ def is_path(x: str) -> str:
     return x
 
 
+def is_path_or_empty(x: str) -> str:
+    if x == '':
+        return x
+    return is_path(x)
+
+
 def allow_empty(x: str) -> str:
     return x
 
@@ -222,7 +228,10 @@ def ask_user(d: Dict) -> None:
                       'selected root path.')))
         print(__('sphinx-quickstart will not overwrite existing Sphinx projects.'))
         print()
-        sys.exit(1)
+        d['path'] = do_prompt(__('Please enter a new root path (or just Enter to exit)'),
+                              '', is_path_or_empty)
+        if not d['path']:
+            sys.exit(1)
 
     if 'sep' not in d:
         print()