Set use_temp_path=off

Fixes #9

Author: hauntsaninja

nginx.conf

@@ -38,7 +38,7 @@ http {
     # access_log /var/log/nginx/cache.log pypi_cache buffer=64k flush=1s;
 
     # Cache 50G worth of packages for up to 1 month
-    proxy_cache_path /var/lib/nginx/pypi levels=1:2 keys_zone=pypi:16m inactive=1M max_size=50G;
+    proxy_cache_path /var/lib/nginx/pypi levels=1:2 keys_zone=pypi:16m inactive=1M max_size=50G use_temp_path=off;
 
     # Having the same upstream server listed twice allegedly forces nginx to retry
     # connections and not fail the request immediately.