Fix long lines with power operator(s) getting splitted before line length (#3942)

[etc/vim.git] / src / blackd / __init__.py

diff --git a/src/blackd/__init__.py b/src/blackd/__init__.py
index 4f2d87d0fca2bb310275c8c0a27bf160f69098df..972f24181cb60e538e5237ea9597c9315758dc21 100644 (file)
--- a/src/blackd/__init__.py
+++ b/src/blackd/__init__.py
@@ -74,7 +74,9 @@ def main(bind_host: str, bind_port: int) -> None:
     app = make_app()
     ver = black.__version__
     black.out(f"blackd version {ver} listening on {bind_host} port {bind_port}")
-    web.run_app(app, host=bind_host, port=bind_port, handle_signals=True, print=None)
+    # TODO: aiohttp had an incorrect annotation for `print` argument,
+    #  It'll be fixed once aiohttp releases that code
+    web.run_app(app, host=bind_host, port=bind_port, handle_signals=True, print=None)  # type: ignore[arg-type]
 
 
 def make_app() -> web.Application:
@@ -152,7 +154,8 @@ async def handle(request: web.Request, executor: Executor) -> web.Response:
         )
 
         # Preserve CRLF line endings
-        if req_str[req_str.find("\n") - 1] == "\r":
+        nl = req_str.find("\n")
+        if nl > 0 and req_str[nl - 1] == "\r":
             formatted_str = formatted_str.replace("\n", "\r\n")
             # If, after swapping line endings, nothing changed, then say so
             if formatted_str == req_str: