diff --git a/brozzler/worker.py b/brozzler/worker.py
index 1276e1e..6829170 100644
--- a/brozzler/worker.py
+++ b/brozzler/worker.py
@@ -444,7 +444,7 @@ class BrozzlerWorker:
             self.logger.trace("%r", chrome_msg)
             if chrome_msg.get("params", {}).get("versions"):
                 url = chrome_msg.get("params", {}).get("versions")[0].get("scriptURL")
-                if url and url.startswith('http') and url not in sw_fetched:
+                if url and url.startswith("http") and url not in sw_fetched:
                     self.logger.info("fetching service worker script %s", url)
                     self._fetch_url(site, url=url)
                     sw_fetched.add(url)
diff --git a/brozzler/ydl.py b/brozzler/ydl.py
index 214d53b..15190fd 100644
--- a/brozzler/ydl.py
+++ b/brozzler/ydl.py
@@ -428,7 +428,7 @@ def do_youtube_dl(worker, site, page):
     Returns:
          `list` of `str`: outlink urls
     """
-    with tempfile.TemporaryDirectory(prefix="brzl-ydl-") as tempdir:
+    with tempfile.TemporaryDirectory(prefix="brzl-ydl-", dir="/tmp") as tempdir:
         ydl = _build_youtube_dl(worker, tempdir, site, page)
         ie_result = _try_youtube_dl(worker, ydl, site, page)
         outlinks = set()
diff --git a/setup.py b/setup.py
index 4018c95..a75e140 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@ def find_package_data(package):
 
 setuptools.setup(
     name="brozzler",
-    version="1.6.4qa",
+    version="1.6.5qa",
     description="Distributed web crawling with browsers",
     url="https://github.com/internetarchive/brozzler",
     author="Noah Levitt",