add python3.7 compatibility

README.md

@@ -8,7 +8,7 @@ A simple python script that implements the steps described at [wireguard.com/net
 Requirements:
 
 - Linux
-- Python 3.8 or newer
+- Python 3.7 or newer
 - `ip` from `iproute2`
 - `wg` from `wireguard-tools`
 
@@ -34,5 +34,5 @@ Or connect a container to it.
 podman run -it --rm --network ns:/var/run/netns/my-vpn alpine wget -O - https://ipinfo.io
 ~~~
 
-You can find a `wg-quick@.service` equivalent at [extras/systemd/wg-netns@.service](./extras/systemd/wg-netns@.service).
+You can find a `wg-quick@.service` equivalent at [wg-netns@.service](./wg-netns@.service).
 

wg-netns.py

@@ -99,8 +99,8 @@ def setup_interface(wg_dir, netns_dir, name):
 
     netns_dir = netns_dir/name
     netns_dir.mkdir(parents=True, exist_ok=True)
-    if servers := wg_interface.get('dns'):
-        resolvconf = '\n'.join(f'nameserver {server}' for server in servers)
+    if wg_interface.get('dns'):
+        resolvconf = '\n'.join(f'nameserver {server}' for server in wg_interface['dns'])
         netns_dir.joinpath('resolv.conf').write_text(resolvconf)